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Finding the Fourth Proportional to 526,924.60, 727,147.92 and 294,354.58

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Solution

The fourth proportional to 526,924.60, 727,147.92 and 294,354.58 is: 406,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,924.60 : 727,147.92 = 294,354.58 : x
  2. Step 2: Convert to fraction form
    526,924.60/727,147.92 = 294,354.58/x
  3. Step 3: Cross multiply
    526,924.60x = 727,147.92 × 294,354.58
  4. Step 4: Simplify right side
    526,924.60x = 214,039,320,589.47
  5. Step 5: Solve for x
    x = 214,039,320,589.47/526,924.60
  6. Step 6: Final answer
    x = 406,204.84

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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.