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Finding the Fourth Proportional to 337,411.40, 506,117.10 and 331,579.40

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Solution

The fourth proportional to 337,411.40, 506,117.10 and 331,579.40 is: 497,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,411.40 : 506,117.10 = 331,579.40 : x
  2. Step 2: Convert to fraction form
    337,411.40/506,117.10 = 331,579.40/x
  3. Step 3: Cross multiply
    337,411.40x = 506,117.10 × 331,579.40
  4. Step 4: Simplify right side
    337,411.40x = 167,818,004,347.74
  5. Step 5: Solve for x
    x = 167,818,004,347.74/337,411.40
  6. Step 6: Final answer
    x = 497,369.10

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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.