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Finding the Fourth Proportional to 616,105.49, 924,483.44 and 437,345.57

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Solution

The fourth proportional to 616,105.49, 924,483.44 and 437,345.57 is: 656,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,105.49 : 924,483.44 = 437,345.57 : x
  2. Step 2: Convert to fraction form
    616,105.49/924,483.44 = 437,345.57/x
  3. Step 3: Cross multiply
    616,105.49x = 924,483.44 × 437,345.57
  4. Step 4: Simplify right side
    616,105.49x = 404,318,740,426.93
  5. Step 5: Solve for x
    x = 404,318,740,426.93/616,105.49
  6. Step 6: Final answer
    x = 656,249.21

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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.