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Finding the Fourth Proportional to 504,591.66, 687,008.52 and 503,017.02

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Solution

The fourth proportional to 504,591.66, 687,008.52 and 503,017.02 is: 684,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,591.66 : 687,008.52 = 503,017.02 : x
  2. Step 2: Convert to fraction form
    504,591.66/687,008.52 = 503,017.02/x
  3. Step 3: Cross multiply
    504,591.66x = 687,008.52 × 503,017.02
  4. Step 4: Simplify right side
    504,591.66x = 345,576,978,445.01
  5. Step 5: Solve for x
    x = 345,576,978,445.01/504,591.66
  6. Step 6: Final answer
    x = 684,864.63

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.