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Finding the Fourth Proportional to 532,551.88, 799,224.57 and 390,763.54

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Solution

The fourth proportional to 532,551.88, 799,224.57 and 390,763.54 is: 586,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,551.88 : 799,224.57 = 390,763.54 : x
  2. Step 2: Convert to fraction form
    532,551.88/799,224.57 = 390,763.54/x
  3. Step 3: Cross multiply
    532,551.88x = 799,224.57 × 390,763.54
  4. Step 4: Simplify right side
    532,551.88x = 312,307,822,228.18
  5. Step 5: Solve for x
    x = 312,307,822,228.18/532,551.88
  6. Step 6: Final answer
    x = 586,436.43

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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.