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Finding the Fourth Proportional to 604,028.32, 832,686.02 and 399,737.01

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Solution

The fourth proportional to 604,028.32, 832,686.02 and 399,737.01 is: 551,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,028.32 : 832,686.02 = 399,737.01 : x
  2. Step 2: Convert to fraction form
    604,028.32/832,686.02 = 399,737.01/x
  3. Step 3: Cross multiply
    604,028.32x = 832,686.02 × 399,737.01
  4. Step 4: Simplify right side
    604,028.32x = 332,855,413,741.49
  5. Step 5: Solve for x
    x = 332,855,413,741.49/604,028.32
  6. Step 6: Final answer
    x = 551,059.28

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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.