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Finding the Fourth Proportional to 364,819.60, 547,229.40 and 115,501.60

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Solution

The fourth proportional to 364,819.60, 547,229.40 and 115,501.60 is: 173,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,819.60 : 547,229.40 = 115,501.60 : x
  2. Step 2: Convert to fraction form
    364,819.60/547,229.40 = 115,501.60/x
  3. Step 3: Cross multiply
    364,819.60x = 547,229.40 × 115,501.60
  4. Step 4: Simplify right side
    364,819.60x = 63,205,871,267.04
  5. Step 5: Solve for x
    x = 63,205,871,267.04/364,819.60
  6. Step 6: Final answer
    x = 173,252.40

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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.