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Finding the Fourth Proportional to 532,319.72, 797,815.13 and 266,156.37

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Solution

The fourth proportional to 532,319.72, 797,815.13 and 266,156.37 is: 398,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,319.72 : 797,815.13 = 266,156.37 : x
  2. Step 2: Convert to fraction form
    532,319.72/797,815.13 = 266,156.37/x
  3. Step 3: Cross multiply
    532,319.72x = 797,815.13 × 266,156.37
  4. Step 4: Simplify right side
    532,319.72x = 212,343,577,601.10
  5. Step 5: Solve for x
    x = 212,343,577,601.10/532,319.72
  6. Step 6: Final answer
    x = 398,902.34

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Similar ratio
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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.