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Finding the Fourth Proportional to 370,040.60, 555,320.10 and 237,243.80

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Solution

The fourth proportional to 370,040.60, 555,320.10 and 237,243.80 is: 356,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,040.60 : 555,320.10 = 237,243.80 : x
  2. Step 2: Convert to fraction form
    370,040.60/555,320.10 = 237,243.80/x
  3. Step 3: Cross multiply
    370,040.60x = 555,320.10 × 237,243.80
  4. Step 4: Simplify right side
    370,040.60x = 131,746,250,740.38
  5. Step 5: Solve for x
    x = 131,746,250,740.38/370,040.60
  6. Step 6: Final answer
    x = 356,031.88

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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.