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Finding the Fourth Proportional to 453,737.70, 680,606.55 and 404,748.90

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Solution

The fourth proportional to 453,737.70, 680,606.55 and 404,748.90 is: 607,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,737.70 : 680,606.55 = 404,748.90 : x
  2. Step 2: Convert to fraction form
    453,737.70/680,606.55 = 404,748.90/x
  3. Step 3: Cross multiply
    453,737.70x = 680,606.55 × 404,748.90
  4. Step 4: Simplify right side
    453,737.70x = 275,474,752,445.30
  5. Step 5: Solve for x
    x = 275,474,752,445.30/453,737.70
  6. Step 6: Final answer
    x = 607,123.35

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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.