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Finding the Fourth Proportional to 476,114.01, 656,219.07 and 453,691.77

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Solution

The fourth proportional to 476,114.01, 656,219.07 and 453,691.77 is: 625,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,114.01 : 656,219.07 = 453,691.77 : x
  2. Step 2: Convert to fraction form
    476,114.01/656,219.07 = 453,691.77/x
  3. Step 3: Cross multiply
    476,114.01x = 656,219.07 × 453,691.77
  4. Step 4: Simplify right side
    476,114.01x = 297,721,191,376.05
  5. Step 5: Solve for x
    x = 297,721,191,376.05/476,114.01
  6. Step 6: Final answer
    x = 625,314.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.