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Finding the Fourth Proportional to 575,459.02, 862,175.22 and 512,835.49

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Solution

The fourth proportional to 575,459.02, 862,175.22 and 512,835.49 is: 768,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,459.02 : 862,175.22 = 512,835.49 : x
  2. Step 2: Convert to fraction form
    575,459.02/862,175.22 = 512,835.49/x
  3. Step 3: Cross multiply
    575,459.02x = 862,175.22 × 512,835.49
  4. Step 4: Simplify right side
    575,459.02x = 442,154,051,414.56
  5. Step 5: Solve for x
    x = 442,154,051,414.56/575,459.02
  6. Step 6: Final answer
    x = 768,350.20

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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.