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Finding the Fourth Proportional to 416,875.02, 625,001.49 and 195,207.18

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Solution

The fourth proportional to 416,875.02, 625,001.49 and 195,207.18 is: 292,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,875.02 : 625,001.49 = 195,207.18 : x
  2. Step 2: Convert to fraction form
    416,875.02/625,001.49 = 195,207.18/x
  3. Step 3: Cross multiply
    416,875.02x = 625,001.49 × 195,207.18
  4. Step 4: Simplify right side
    416,875.02x = 122,004,778,358.70
  5. Step 5: Solve for x
    x = 122,004,778,358.70/416,875.02
  6. Step 6: Final answer
    x = 292,665.12

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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.