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Finding the Fourth Proportional to 602,748.32, 907,731.90 and 548,939.92

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Solution

The fourth proportional to 602,748.32, 907,731.90 and 548,939.92 is: 826,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,748.32 : 907,731.90 = 548,939.92 : x
  2. Step 2: Convert to fraction form
    602,748.32/907,731.90 = 548,939.92/x
  3. Step 3: Cross multiply
    602,748.32x = 907,731.90 × 548,939.92
  4. Step 4: Simplify right side
    602,748.32x = 498,290,276,567.45
  5. Step 5: Solve for x
    x = 498,290,276,567.45/602,748.32
  6. Step 6: Final answer
    x = 826,697.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.