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Finding the Fourth Proportional to 475,980.30, 713,950.20 and 160,436.70

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Solution

The fourth proportional to 475,980.30, 713,950.20 and 160,436.70 is: 240,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,980.30 : 713,950.20 = 160,436.70 : x
  2. Step 2: Convert to fraction form
    475,980.30/713,950.20 = 160,436.70/x
  3. Step 3: Cross multiply
    475,980.30x = 713,950.20 × 160,436.70
  4. Step 4: Simplify right side
    475,980.30x = 114,543,814,052.34
  5. Step 5: Solve for x
    x = 114,543,814,052.34/475,980.30
  6. Step 6: Final answer
    x = 240,648.22

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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.