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Finding the Fourth Proportional to 372,517.80, 514,085.64 and 229,360.38

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Solution

The fourth proportional to 372,517.80, 514,085.64 and 229,360.38 is: 316,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,517.80 : 514,085.64 = 229,360.38 : x
  2. Step 2: Convert to fraction form
    372,517.80/514,085.64 = 229,360.38/x
  3. Step 3: Cross multiply
    372,517.80x = 514,085.64 × 229,360.38
  4. Step 4: Simplify right side
    372,517.80x = 117,910,877,742.94
  5. Step 5: Solve for x
    x = 117,910,877,742.94/372,517.80
  6. Step 6: Final answer
    x = 316,524.14

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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.