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Finding the Fourth Proportional to 476,108.97, 656,212.21 and 453,686.77

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Solution

The fourth proportional to 476,108.97, 656,212.21 and 453,686.77 is: 625,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,108.97 : 656,212.21 = 453,686.77 : x
  2. Step 2: Convert to fraction form
    476,108.97/656,212.21 = 453,686.77/x
  3. Step 3: Cross multiply
    476,108.97x = 656,212.21 × 453,686.77
  4. Step 4: Simplify right side
    476,108.97x = 297,714,797,989.46
  5. Step 5: Solve for x
    x = 297,714,797,989.46/476,108.97
  6. Step 6: Final answer
    x = 625,308.11

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1.5x scale

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.