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Finding the Fourth Proportional to 531,304.32, 797,097.60 and 215,589.12

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Solution

The fourth proportional to 531,304.32, 797,097.60 and 215,589.12 is: 323,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,304.32 : 797,097.60 = 215,589.12 : x
  2. Step 2: Convert to fraction form
    531,304.32/797,097.60 = 215,589.12/x
  3. Step 3: Cross multiply
    531,304.32x = 797,097.60 × 215,589.12
  4. Step 4: Simplify right side
    531,304.32x = 171,845,570,138.11
  5. Step 5: Solve for x
    x = 171,845,570,138.11/531,304.32
  6. Step 6: Final answer
    x = 323,440.94

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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.