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Finding the Fourth Proportional to 526,591.92, 725,941 and 375,426.48

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Solution

The fourth proportional to 526,591.92, 725,941 and 375,426.48 is: 517,549.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,591.92 : 725,941 = 375,426.48 : x
  2. Step 2: Convert to fraction form
    526,591.92/725,941 = 375,426.48/x
  3. Step 3: Cross multiply
    526,591.92x = 725,941 × 375,426.48
  4. Step 4: Simplify right side
    526,591.92x = 272,537,474,317.68
  5. Step 5: Solve for x
    x = 272,537,474,317.68/526,591.92
  6. Step 6: Final answer
    x = 517,549.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.