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Finding the Fourth Proportional to 392,726.47, 587,927.15 and 242,483.67

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Solution

The fourth proportional to 392,726.47, 587,927.15 and 242,483.67 is: 363,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,726.47 : 587,927.15 = 242,483.67 : x
  2. Step 2: Convert to fraction form
    392,726.47/587,927.15 = 242,483.67/x
  3. Step 3: Cross multiply
    392,726.47x = 587,927.15 × 242,483.67
  4. Step 4: Simplify right side
    392,726.47x = 142,562,733,024.64
  5. Step 5: Solve for x
    x = 142,562,733,024.64/392,726.47
  6. Step 6: Final answer
    x = 363,007.71

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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.