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Finding the Fourth Proportional to 625,243.47, 937,944.59 and 198,627.14

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Solution

The fourth proportional to 625,243.47, 937,944.59 and 198,627.14 is: 297,965.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,243.47 : 937,944.59 = 198,627.14 : x
  2. Step 2: Convert to fraction form
    625,243.47/937,944.59 = 198,627.14/x
  3. Step 3: Cross multiply
    625,243.47x = 937,944.59 × 198,627.14
  4. Step 4: Simplify right side
    625,243.47x = 186,301,245,707.31
  5. Step 5: Solve for x
    x = 186,301,245,707.31/625,243.47
  6. Step 6: Final answer
    x = 297,965.92

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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.