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Finding the Fourth Proportional to 636,237.16, 954,347.34 and 156,469.10

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Solution

The fourth proportional to 636,237.16, 954,347.34 and 156,469.10 is: 234,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,237.16 : 954,347.34 = 156,469.10 : x
  2. Step 2: Convert to fraction form
    636,237.16/954,347.34 = 156,469.10/x
  3. Step 3: Cross multiply
    636,237.16x = 954,347.34 × 156,469.10
  4. Step 4: Simplify right side
    636,237.16x = 149,325,869,377.19
  5. Step 5: Solve for x
    x = 149,325,869,377.19/636,237.16
  6. Step 6: Final answer
    x = 234,701.58

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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.