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Finding the Fourth Proportional to 886,960.64, 1,223,643 and 654,943.52

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Solution

The fourth proportional to 886,960.64, 1,223,643 and 654,943.52 is: 903,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,960.64 : 1,223,643 = 654,943.52 : x
  2. Step 2: Convert to fraction form
    886,960.64/1,223,643 = 654,943.52/x
  3. Step 3: Cross multiply
    886,960.64x = 1,223,643 × 654,943.52
  4. Step 4: Simplify right side
    886,960.64x = 801,417,053,643.36
  5. Step 5: Solve for x
    x = 801,417,053,643.36/886,960.64
  6. Step 6: Final answer
    x = 903,554.25

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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.