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Finding the Fourth Proportional to 337,501.40, 506,252.10 and 319,130.60

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Solution

The fourth proportional to 337,501.40, 506,252.10 and 319,130.60 is: 478,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,501.40 : 506,252.10 = 319,130.60 : x
  2. Step 2: Convert to fraction form
    337,501.40/506,252.10 = 319,130.60/x
  3. Step 3: Cross multiply
    337,501.40x = 506,252.10 × 319,130.60
  4. Step 4: Simplify right side
    337,501.40x = 161,560,536,424.26
  5. Step 5: Solve for x
    x = 161,560,536,424.26/337,501.40
  6. Step 6: Final answer
    x = 478,695.90

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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.