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Finding the Fourth Proportional to 426,590.28, 588,682.49 and 235,599.57

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Solution

The fourth proportional to 426,590.28, 588,682.49 and 235,599.57 is: 325,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,590.28 : 588,682.49 = 235,599.57 : x
  2. Step 2: Convert to fraction form
    426,590.28/588,682.49 = 235,599.57/x
  3. Step 3: Cross multiply
    426,590.28x = 588,682.49 × 235,599.57
  4. Step 4: Simplify right side
    426,590.28x = 138,693,340,332.53
  5. Step 5: Solve for x
    x = 138,693,340,332.53/426,590.28
  6. Step 6: Final answer
    x = 325,120.72

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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.