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Finding the Fourth Proportional to 490,892.86, 736,348.47 and 153,926.11

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Solution

The fourth proportional to 490,892.86, 736,348.47 and 153,926.11 is: 230,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,892.86 : 736,348.47 = 153,926.11 : x
  2. Step 2: Convert to fraction form
    490,892.86/736,348.47 = 153,926.11/x
  3. Step 3: Cross multiply
    490,892.86x = 736,348.47 × 153,926.11
  4. Step 4: Simplify right side
    490,892.86x = 113,343,255,591.55
  5. Step 5: Solve for x
    x = 113,343,255,591.55/490,892.86
  6. Step 6: Final answer
    x = 230,892.04

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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.