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Finding the Fourth Proportional to 527,934.23, 728,494.71 and 323,993.75

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Solution

The fourth proportional to 527,934.23, 728,494.71 and 323,993.75 is: 447,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,934.23 : 728,494.71 = 323,993.75 : x
  2. Step 2: Convert to fraction form
    527,934.23/728,494.71 = 323,993.75/x
  3. Step 3: Cross multiply
    527,934.23x = 728,494.71 × 323,993.75
  4. Step 4: Simplify right side
    527,934.23x = 236,027,730,621.20
  5. Step 5: Solve for x
    x = 236,027,730,621.20/527,934.23
  6. Step 6: Final answer
    x = 447,077.91

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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.