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Finding the Fourth Proportional to 591,801.30, 886,972.95 and 402,261.30

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Solution

The fourth proportional to 591,801.30, 886,972.95 and 402,261.30 is: 602,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,801.30 : 886,972.95 = 402,261.30 : x
  2. Step 2: Convert to fraction form
    591,801.30/886,972.95 = 402,261.30/x
  3. Step 3: Cross multiply
    591,801.30x = 886,972.95 × 402,261.30
  4. Step 4: Simplify right side
    591,801.30x = 356,794,891,931.84
  5. Step 5: Solve for x
    x = 356,794,891,931.84/591,801.30
  6. Step 6: Final answer
    x = 602,896.43

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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.