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Finding the Fourth Proportional to 1,248,748.14, 1,723,275.50 and 675,792.48

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Solution

The fourth proportional to 1,248,748.14, 1,723,275.50 and 675,792.48 is: 932,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,748.14 : 1,723,275.50 = 675,792.48 : x
  2. Step 2: Convert to fraction form
    1,248,748.14/1,723,275.50 = 675,792.48/x
  3. Step 3: Cross multiply
    1,248,748.14x = 1,723,275.50 × 675,792.48
  4. Step 4: Simplify right side
    1,248,748.14x = 1,164,576,620,489.28
  5. Step 5: Solve for x
    x = 1,164,576,620,489.28/1,248,748.14
  6. Step 6: Final answer
    x = 932,595.28

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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.