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Finding the Fourth Proportional to 416,875.65, 625,002.43 and 195,207.81

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Solution

The fourth proportional to 416,875.65, 625,002.43 and 195,207.81 is: 292,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,875.65 : 625,002.43 = 195,207.81 : x
  2. Step 2: Convert to fraction form
    416,875.65/625,002.43 = 195,207.81/x
  3. Step 3: Cross multiply
    416,875.65x = 625,002.43 × 195,207.81
  4. Step 4: Simplify right side
    416,875.65x = 122,005,355,604.98
  5. Step 5: Solve for x
    x = 122,005,355,604.98/416,875.65
  6. Step 6: Final answer
    x = 292,666.06

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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.