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Finding the Fourth Proportional to 468,708.90, 703,099.80 and 153,197.70

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Solution

The fourth proportional to 468,708.90, 703,099.80 and 153,197.70 is: 229,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,708.90 : 703,099.80 = 153,197.70 : x
  2. Step 2: Convert to fraction form
    468,708.90/703,099.80 = 153,197.70/x
  3. Step 3: Cross multiply
    468,708.90x = 703,099.80 × 153,197.70
  4. Step 4: Simplify right side
    468,708.90x = 107,713,272,230.46
  5. Step 5: Solve for x
    x = 107,713,272,230.46/468,708.90
  6. Step 6: Final answer
    x = 229,808.46

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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.