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Finding the Fourth Proportional to 677,555.25, 935,027.59 and 371,634.13

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Solution

The fourth proportional to 677,555.25, 935,027.59 and 371,634.13 is: 512,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,555.25 : 935,027.59 = 371,634.13 : x
  2. Step 2: Convert to fraction form
    677,555.25/935,027.59 = 371,634.13/x
  3. Step 3: Cross multiply
    677,555.25x = 935,027.59 × 371,634.13
  4. Step 4: Simplify right side
    677,555.25x = 347,488,160,090.02
  5. Step 5: Solve for x
    x = 347,488,160,090.02/677,555.25
  6. Step 6: Final answer
    x = 512,855.83

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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.