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Finding the Fourth Proportional to 604,028.45, 832,686.19 and 399,737.13

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Solution

The fourth proportional to 604,028.45, 832,686.19 and 399,737.13 is: 551,059.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,028.45 : 832,686.19 = 399,737.13 : x
  2. Step 2: Convert to fraction form
    604,028.45/832,686.19 = 399,737.13/x
  3. Step 3: Cross multiply
    604,028.45x = 832,686.19 × 399,737.13
  4. Step 4: Simplify right side
    604,028.45x = 332,855,586,781.89
  5. Step 5: Solve for x
    x = 332,855,586,781.89/604,028.45
  6. Step 6: Final answer
    x = 551,059.46

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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.