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Finding the Fourth Proportional to 622,176.60, 933,264.90 and 611,808.60

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Solution

The fourth proportional to 622,176.60, 933,264.90 and 611,808.60 is: 917,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,176.60 : 933,264.90 = 611,808.60 : x
  2. Step 2: Convert to fraction form
    622,176.60/933,264.90 = 611,808.60/x
  3. Step 3: Cross multiply
    622,176.60x = 933,264.90 × 611,808.60
  4. Step 4: Simplify right side
    622,176.60x = 570,979,491,898.14
  5. Step 5: Solve for x
    x = 570,979,491,898.14/622,176.60
  6. Step 6: Final answer
    x = 917,712.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.