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Finding the Fourth Proportional to 364,422.30, 546,633.45 and 127,788.90

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Solution

The fourth proportional to 364,422.30, 546,633.45 and 127,788.90 is: 191,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,422.30 : 546,633.45 = 127,788.90 : x
  2. Step 2: Convert to fraction form
    364,422.30/546,633.45 = 127,788.90/x
  3. Step 3: Cross multiply
    364,422.30x = 546,633.45 × 127,788.90
  4. Step 4: Simplify right side
    364,422.30x = 69,853,687,278.71
  5. Step 5: Solve for x
    x = 69,853,687,278.71/364,422.30
  6. Step 6: Final answer
    x = 191,683.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.