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Finding the Fourth Proportional to 532,549.88, 799,221.57 and 390,761.54

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Solution

The fourth proportional to 532,549.88, 799,221.57 and 390,761.54 is: 586,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,549.88 : 799,221.57 = 390,761.54 : x
  2. Step 2: Convert to fraction form
    532,549.88/799,221.57 = 390,761.54/x
  3. Step 3: Cross multiply
    532,549.88x = 799,221.57 × 390,761.54
  4. Step 4: Simplify right side
    532,549.88x = 312,305,047,498.31
  5. Step 5: Solve for x
    x = 312,305,047,498.31/532,549.88
  6. Step 6: Final answer
    x = 586,433.43

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1.5x scale

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.