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Finding the Fourth Proportional to 575,256.64, 862,962.72 and 540,264.64

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Solution

The fourth proportional to 575,256.64, 862,962.72 and 540,264.64 is: 810,469.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,256.64 : 862,962.72 = 540,264.64 : x
  2. Step 2: Convert to fraction form
    575,256.64/862,962.72 = 540,264.64/x
  3. Step 3: Cross multiply
    575,256.64x = 862,962.72 × 540,264.64
  4. Step 4: Simplify right side
    575,256.64x = 466,228,243,254.22
  5. Step 5: Solve for x
    x = 466,228,243,254.22/575,256.64
  6. Step 6: Final answer
    x = 810,469.99

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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.