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Finding the Fourth Proportional to 426,659.90, 588,760.72 and 235,658.25

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Solution

The fourth proportional to 426,659.90, 588,760.72 and 235,658.25 is: 325,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,659.90 : 588,760.72 = 235,658.25 : x
  2. Step 2: Convert to fraction form
    426,659.90/588,760.72 = 235,658.25/x
  3. Step 3: Cross multiply
    426,659.90x = 588,760.72 × 235,658.25
  4. Step 4: Simplify right side
    426,659.90x = 138,746,320,354.79
  5. Step 5: Solve for x
    x = 138,746,320,354.79/426,659.90
  6. Step 6: Final answer
    x = 325,191.85

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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.