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Finding the Fourth Proportional to 453,272.60, 680,432.70 and 243,320.60

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Solution

The fourth proportional to 453,272.60, 680,432.70 and 243,320.60 is: 365,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,272.60 : 680,432.70 = 243,320.60 : x
  2. Step 2: Convert to fraction form
    453,272.60/680,432.70 = 243,320.60/x
  3. Step 3: Cross multiply
    453,272.60x = 680,432.70 × 243,320.60
  4. Step 4: Simplify right side
    453,272.60x = 165,563,292,823.62
  5. Step 5: Solve for x
    x = 165,563,292,823.62/453,272.60
  6. Step 6: Final answer
    x = 365,262.08

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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.