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Finding the Fourth Proportional to 532,039.98, 798,060.87 and 426,097.74

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Solution

The fourth proportional to 532,039.98, 798,060.87 and 426,097.74 is: 639,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,039.98 : 798,060.87 = 426,097.74 : x
  2. Step 2: Convert to fraction form
    532,039.98/798,060.87 = 426,097.74/x
  3. Step 3: Cross multiply
    532,039.98x = 798,060.87 × 426,097.74
  4. Step 4: Simplify right side
    532,039.98x = 340,051,933,089.43
  5. Step 5: Solve for x
    x = 340,051,933,089.43/532,039.98
  6. Step 6: Final answer
    x = 639,147.33

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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.