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Finding the Fourth Proportional to 426,330.64, 588,335.72 and 235,343.58

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Solution

The fourth proportional to 426,330.64, 588,335.72 and 235,343.58 is: 324,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,330.64 : 588,335.72 = 235,343.58 : x
  2. Step 2: Convert to fraction form
    426,330.64/588,335.72 = 235,343.58/x
  3. Step 3: Cross multiply
    426,330.64x = 588,335.72 × 235,343.58
  4. Step 4: Simplify right side
    426,330.64x = 138,461,034,586.68
  5. Step 5: Solve for x
    x = 138,461,034,586.68/426,330.64
  6. Step 6: Final answer
    x = 324,773.83

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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.