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Finding the Fourth Proportional to 657,862.60, 922,251.80 and 657,862.60

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Solution

The fourth proportional to 657,862.60, 922,251.80 and 657,862.60 is: 922,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,862.60 : 922,251.80 = 657,862.60 : x
  2. Step 2: Convert to fraction form
    657,862.60/922,251.80 = 657,862.60/x
  3. Step 3: Cross multiply
    657,862.60x = 922,251.80 × 657,862.60
  4. Step 4: Simplify right side
    657,862.60x = 606,714,967,002.68
  5. Step 5: Solve for x
    x = 606,714,967,002.68/657,862.60
  6. Step 6: Final answer
    x = 922,251.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.