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Finding the Fourth Proportional to 582,402.88, 872,484.54 and 357,106.24

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Solution

The fourth proportional to 582,402.88, 872,484.54 and 357,106.24 is: 534,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,402.88 : 872,484.54 = 357,106.24 : x
  2. Step 2: Convert to fraction form
    582,402.88/872,484.54 = 357,106.24/x
  3. Step 3: Cross multiply
    582,402.88x = 872,484.54 × 357,106.24
  4. Step 4: Simplify right side
    582,402.88x = 311,569,673,537.53
  5. Step 5: Solve for x
    x = 311,569,673,537.53/582,402.88
  6. Step 6: Final answer
    x = 534,972.76

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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.