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Finding the Fourth Proportional to 497,002.60, 745,503.90 and 434,794.60

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Solution

The fourth proportional to 497,002.60, 745,503.90 and 434,794.60 is: 652,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,002.60 : 745,503.90 = 434,794.60 : x
  2. Step 2: Convert to fraction form
    497,002.60/745,503.90 = 434,794.60/x
  3. Step 3: Cross multiply
    497,002.60x = 745,503.90 × 434,794.60
  4. Step 4: Simplify right side
    497,002.60x = 324,141,069,998.94
  5. Step 5: Solve for x
    x = 324,141,069,998.94/497,002.60
  6. Step 6: Final answer
    x = 652,191.90

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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.