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Finding the Fourth Proportional to 636,233.40, 954,350.10 and 617,801.40

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Solution

The fourth proportional to 636,233.40, 954,350.10 and 617,801.40 is: 926,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,233.40 : 954,350.10 = 617,801.40 : x
  2. Step 2: Convert to fraction form
    636,233.40/954,350.10 = 617,801.40/x
  3. Step 3: Cross multiply
    636,233.40x = 954,350.10 × 617,801.40
  4. Step 4: Simplify right side
    636,233.40x = 589,598,827,870.14
  5. Step 5: Solve for x
    x = 589,598,827,870.14/636,233.40
  6. Step 6: Final answer
    x = 926,702.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.