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Finding the Fourth Proportional to 426,087.71, 588,000.63 and 235,101.12

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Solution

The fourth proportional to 426,087.71, 588,000.63 and 235,101.12 is: 324,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,087.71 : 588,000.63 = 235,101.12 : x
  2. Step 2: Convert to fraction form
    426,087.71/588,000.63 = 235,101.12/x
  3. Step 3: Cross multiply
    426,087.71x = 588,000.63 × 235,101.12
  4. Step 4: Simplify right side
    426,087.71x = 138,239,606,673.71
  5. Step 5: Solve for x
    x = 138,239,606,673.71/426,087.71
  6. Step 6: Final answer
    x = 324,439.32

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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.