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Finding the Fourth Proportional to 372,241.16, 513,871.26 and 229,123.88

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Solution

The fourth proportional to 372,241.16, 513,871.26 and 229,123.88 is: 316,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,241.16 : 513,871.26 = 229,123.88 : x
  2. Step 2: Convert to fraction form
    372,241.16/513,871.26 = 229,123.88/x
  3. Step 3: Cross multiply
    372,241.16x = 513,871.26 × 229,123.88
  4. Step 4: Simplify right side
    372,241.16x = 117,740,176,911.69
  5. Step 5: Solve for x
    x = 117,740,176,911.69/372,241.16
  6. Step 6: Final answer
    x = 316,300.80

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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.