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Finding the Fourth Proportional to 625,340.14, 939,265.48 and 373,112.86

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Solution

The fourth proportional to 625,340.14, 939,265.48 and 373,112.86 is: 560,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,340.14 : 939,265.48 = 373,112.86 : x
  2. Step 2: Convert to fraction form
    625,340.14/939,265.48 = 373,112.86/x
  3. Step 3: Cross multiply
    625,340.14x = 939,265.48 × 373,112.86
  4. Step 4: Simplify right side
    625,340.14x = 350,452,029,542.07
  5. Step 5: Solve for x
    x = 350,452,029,542.07/625,340.14
  6. Step 6: Final answer
    x = 560,418.25

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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.