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Finding the Fourth Proportional to 416,641.74, 625,157.01 and 248,157.42

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Solution

The fourth proportional to 416,641.74, 625,157.01 and 248,157.42 is: 372,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,641.74 : 625,157.01 = 248,157.42 : x
  2. Step 2: Convert to fraction form
    416,641.74/625,157.01 = 248,157.42/x
  3. Step 3: Cross multiply
    416,641.74x = 625,157.01 × 248,157.42
  4. Step 4: Simplify right side
    416,641.74x = 155,137,350,696.51
  5. Step 5: Solve for x
    x = 155,137,350,696.51/416,641.74
  6. Step 6: Final answer
    x = 372,351.92

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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.