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Finding the Fourth Proportional to 426,758.56, 588,924.56 and 235,785.12

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Solution

The fourth proportional to 426,758.56, 588,924.56 and 235,785.12 is: 325,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,758.56 : 588,924.56 = 235,785.12 : x
  2. Step 2: Convert to fraction form
    426,758.56/588,924.56 = 235,785.12/x
  3. Step 3: Cross multiply
    426,758.56x = 588,924.56 × 235,785.12
  4. Step 4: Simplify right side
    426,758.56x = 138,859,648,050.55
  5. Step 5: Solve for x
    x = 138,859,648,050.55/426,758.56
  6. Step 6: Final answer
    x = 325,382.22

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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.