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Finding the Fourth Proportional to 488,708.30, 733,062.45 and 453,278.90

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Solution

The fourth proportional to 488,708.30, 733,062.45 and 453,278.90 is: 679,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,708.30 : 733,062.45 = 453,278.90 : x
  2. Step 2: Convert to fraction form
    488,708.30/733,062.45 = 453,278.90/x
  3. Step 3: Cross multiply
    488,708.30x = 733,062.45 × 453,278.90
  4. Step 4: Simplify right side
    488,708.30x = 332,281,740,967.31
  5. Step 5: Solve for x
    x = 332,281,740,967.31/488,708.30
  6. Step 6: Final answer
    x = 679,918.35

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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.