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Finding the Fourth Proportional to 490,865.52, 736,307.49 and 153,898.70

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Solution

The fourth proportional to 490,865.52, 736,307.49 and 153,898.70 is: 230,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,865.52 : 736,307.49 = 153,898.70 : x
  2. Step 2: Convert to fraction form
    490,865.52/736,307.49 = 153,898.70/x
  3. Step 3: Cross multiply
    490,865.52x = 736,307.49 × 153,898.70
  4. Step 4: Simplify right side
    490,865.52x = 113,316,761,829.73
  5. Step 5: Solve for x
    x = 113,316,761,829.73/490,865.52
  6. Step 6: Final answer
    x = 230,850.93

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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.