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Finding the Fourth Proportional to 475,989.60, 713,986.88 and 160,449.28

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Solution

The fourth proportional to 475,989.60, 713,986.88 and 160,449.28 is: 240,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,989.60 : 713,986.88 = 160,449.28 : x
  2. Step 2: Convert to fraction form
    475,989.60/713,986.88 = 160,449.28/x
  3. Step 3: Cross multiply
    475,989.60x = 713,986.88 × 160,449.28
  4. Step 4: Simplify right side
    475,989.60x = 114,558,680,825.45
  5. Step 5: Solve for x
    x = 114,558,680,825.45/475,989.60
  6. Step 6: Final answer
    x = 240,674.76

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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.