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Finding the Fourth Proportional to 372,535.52, 514,197.90 and 229,415.56

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Solution

The fourth proportional to 372,535.52, 514,197.90 and 229,415.56 is: 316,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,535.52 : 514,197.90 = 229,415.56 : x
  2. Step 2: Convert to fraction form
    372,535.52/514,197.90 = 229,415.56/x
  3. Step 3: Cross multiply
    372,535.52x = 514,197.90 × 229,415.56
  4. Step 4: Simplify right side
    372,535.52x = 117,964,999,179.32
  5. Step 5: Solve for x
    x = 117,964,999,179.32/372,535.52
  6. Step 6: Final answer
    x = 316,654.37

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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.