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Finding the Fourth Proportional to 452,919.43, 625,036.58 and 248,978.94

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Solution

The fourth proportional to 452,919.43, 625,036.58 and 248,978.94 is: 343,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,919.43 : 625,036.58 = 248,978.94 : x
  2. Step 2: Convert to fraction form
    452,919.43/625,036.58 = 248,978.94/x
  3. Step 3: Cross multiply
    452,919.43x = 625,036.58 × 248,978.94
  4. Step 4: Simplify right side
    452,919.43x = 155,620,945,149.63
  5. Step 5: Solve for x
    x = 155,620,945,149.63/452,919.43
  6. Step 6: Final answer
    x = 343,595.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.