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Finding the Fourth Proportional to 532,415.28, 798,624.97 and 133,056.47

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Solution

The fourth proportional to 532,415.28, 798,624.97 and 133,056.47 is: 199,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,415.28 : 798,624.97 = 133,056.47 : x
  2. Step 2: Convert to fraction form
    532,415.28/798,624.97 = 133,056.47/x
  3. Step 3: Cross multiply
    532,415.28x = 798,624.97 × 133,056.47
  4. Step 4: Simplify right side
    532,415.28x = 106,262,221,025.98
  5. Step 5: Solve for x
    x = 106,262,221,025.98/532,415.28
  6. Step 6: Final answer
    x = 199,585.22

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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.