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Finding the Fourth Proportional to 622,377.28, 857,073.28 and 540,668.16

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Solution

The fourth proportional to 622,377.28, 857,073.28 and 540,668.16 is: 744,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,377.28 : 857,073.28 = 540,668.16 : x
  2. Step 2: Convert to fraction form
    622,377.28/857,073.28 = 540,668.16/x
  3. Step 3: Cross multiply
    622,377.28x = 857,073.28 × 540,668.16
  4. Step 4: Simplify right side
    622,377.28x = 463,392,233,282.77
  5. Step 5: Solve for x
    x = 463,392,233,282.77/622,377.28
  6. Step 6: Final answer
    x = 744,551.98

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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.