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Finding the Fourth Proportional to 453,253.60, 680,404.20 and 243,301.60

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Solution

The fourth proportional to 453,253.60, 680,404.20 and 243,301.60 is: 365,233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,253.60 : 680,404.20 = 243,301.60 : x
  2. Step 2: Convert to fraction form
    453,253.60/680,404.20 = 243,301.60/x
  3. Step 3: Cross multiply
    453,253.60x = 680,404.20 × 243,301.60
  4. Step 4: Simplify right side
    453,253.60x = 165,543,430,506.72
  5. Step 5: Solve for x
    x = 165,543,430,506.72/453,253.60
  6. Step 6: Final answer
    x = 365,233.57

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1.5x scale

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.