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Finding the Fourth Proportional to 624,341, 861,590.59 and 337,861.09

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Solution

The fourth proportional to 624,341, 861,590.59 and 337,861.09 is: 466,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,341 : 861,590.59 = 337,861.09 : x
  2. Step 2: Convert to fraction form
    624,341/861,590.59 = 337,861.09/x
  3. Step 3: Cross multiply
    624,341x = 861,590.59 × 337,861.09
  4. Step 4: Simplify right side
    624,341x = 291,097,934,181.84
  5. Step 5: Solve for x
    x = 291,097,934,181.84/624,341
  6. Step 6: Final answer
    x = 466,248.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.