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Finding the Fourth Proportional to 553,774.10, 830,661.15 and 465,200.60

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Solution

The fourth proportional to 553,774.10, 830,661.15 and 465,200.60 is: 697,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,774.10 : 830,661.15 = 465,200.60 : x
  2. Step 2: Convert to fraction form
    553,774.10/830,661.15 = 465,200.60/x
  3. Step 3: Cross multiply
    553,774.10x = 830,661.15 × 465,200.60
  4. Step 4: Simplify right side
    553,774.10x = 386,424,065,376.69
  5. Step 5: Solve for x
    x = 386,424,065,376.69/553,774.10
  6. Step 6: Final answer
    x = 697,800.90

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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.