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Finding the Fourth Proportional to 453,453.60, 680,704.20 and 243,501.60

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Solution

The fourth proportional to 453,453.60, 680,704.20 and 243,501.60 is: 365,533.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,453.60 : 680,704.20 = 243,501.60 : x
  2. Step 2: Convert to fraction form
    453,453.60/680,704.20 = 243,501.60/x
  3. Step 3: Cross multiply
    453,453.60x = 680,704.20 × 243,501.60
  4. Step 4: Simplify right side
    453,453.60x = 165,752,561,826.72
  5. Step 5: Solve for x
    x = 165,752,561,826.72/453,453.60
  6. Step 6: Final answer
    x = 365,533.68

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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.