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Finding the Fourth Proportional to 941,995, 1,299,953.10 and 539,612.92

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Solution

The fourth proportional to 941,995, 1,299,953.10 and 539,612.92 is: 744,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,995 : 1,299,953.10 = 539,612.92 : x
  2. Step 2: Convert to fraction form
    941,995/1,299,953.10 = 539,612.92/x
  3. Step 3: Cross multiply
    941,995x = 1,299,953.10 × 539,612.92
  4. Step 4: Simplify right side
    941,995x = 701,471,488,154.05
  5. Step 5: Solve for x
    x = 701,471,488,154.05/941,995
  6. Step 6: Final answer
    x = 744,665.83

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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.