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Finding the Fourth Proportional to 701,854.40, 968,549.28 and 400,053.44

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Solution

The fourth proportional to 701,854.40, 968,549.28 and 400,053.44 is: 552,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,854.40 : 968,549.28 = 400,053.44 : x
  2. Step 2: Convert to fraction form
    701,854.40/968,549.28 = 400,053.44/x
  3. Step 3: Cross multiply
    701,854.40x = 968,549.28 × 400,053.44
  4. Step 4: Simplify right side
    701,854.40x = 387,471,471,273.52
  5. Step 5: Solve for x
    x = 387,471,471,273.52/701,854.40
  6. Step 6: Final answer
    x = 552,068.17

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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.