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Finding the Fourth Proportional to 575,258.64, 862,965.72 and 540,266.64

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Solution

The fourth proportional to 575,258.64, 862,965.72 and 540,266.64 is: 810,472.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,258.64 : 862,965.72 = 540,266.64 : x
  2. Step 2: Convert to fraction form
    575,258.64/862,965.72 = 540,266.64/x
  3. Step 3: Cross multiply
    575,258.64x = 862,965.72 × 540,266.64
  4. Step 4: Simplify right side
    575,258.64x = 466,231,589,979.58
  5. Step 5: Solve for x
    x = 466,231,589,979.58/575,258.64
  6. Step 6: Final answer
    x = 810,472.99

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Why These Related Problems?

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