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Finding the Fourth Proportional to 453,437.10, 680,679.45 and 243,485.10

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Solution

The fourth proportional to 453,437.10, 680,679.45 and 243,485.10 is: 365,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,437.10 : 680,679.45 = 243,485.10 : x
  2. Step 2: Convert to fraction form
    453,437.10/680,679.45 = 243,485.10/x
  3. Step 3: Cross multiply
    453,437.10x = 680,679.45 × 243,485.10
  4. Step 4: Simplify right side
    453,437.10x = 165,735,303,951.20
  5. Step 5: Solve for x
    x = 165,735,303,951.20/453,437.10
  6. Step 6: Final answer
    x = 365,508.92

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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.