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Finding the Fourth Proportional to 604,967.40, 906,722.10 and 351,761.40

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Solution

The fourth proportional to 604,967.40, 906,722.10 and 351,761.40 is: 527,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,967.40 : 906,722.10 = 351,761.40 : x
  2. Step 2: Convert to fraction form
    604,967.40/906,722.10 = 351,761.40/x
  3. Step 3: Cross multiply
    604,967.40x = 906,722.10 × 351,761.40
  4. Step 4: Simplify right side
    604,967.40x = 318,949,835,306.94
  5. Step 5: Solve for x
    x = 318,949,835,306.94/604,967.40
  6. Step 6: Final answer
    x = 527,218.22

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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.