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Finding the Fourth Proportional to 453,038.60, 680,082.60 and 243,086.60

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Solution

The fourth proportional to 453,038.60, 680,082.60 and 243,086.60 is: 364,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,038.60 : 680,082.60 = 243,086.60 : x
  2. Step 2: Convert to fraction form
    453,038.60/680,082.60 = 243,086.60/x
  3. Step 3: Cross multiply
    453,038.60x = 680,082.60 × 243,086.60
  4. Step 4: Simplify right side
    453,038.60x = 165,318,966,953.16
  5. Step 5: Solve for x
    x = 165,318,966,953.16/453,038.60
  6. Step 6: Final answer
    x = 364,911.44

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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.