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Finding the Fourth Proportional to 532,364.40, 798,546.60 and 158,387.40

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Solution

The fourth proportional to 532,364.40, 798,546.60 and 158,387.40 is: 237,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,364.40 : 798,546.60 = 158,387.40 : x
  2. Step 2: Convert to fraction form
    532,364.40/798,546.60 = 158,387.40/x
  3. Step 3: Cross multiply
    532,364.40x = 798,546.60 × 158,387.40
  4. Step 4: Simplify right side
    532,364.40x = 126,479,719,752.84
  5. Step 5: Solve for x
    x = 126,479,719,752.84/532,364.40
  6. Step 6: Final answer
    x = 237,581.10

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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.