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Finding the Fourth Proportional to 559,651.04, 772,298.88 and 304,997.12

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Solution

The fourth proportional to 559,651.04, 772,298.88 and 304,997.12 is: 420,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,651.04 : 772,298.88 = 304,997.12 : x
  2. Step 2: Convert to fraction form
    559,651.04/772,298.88 = 304,997.12/x
  3. Step 3: Cross multiply
    559,651.04x = 772,298.88 × 304,997.12
  4. Step 4: Simplify right side
    559,651.04x = 235,548,934,179.23
  5. Step 5: Solve for x
    x = 235,548,934,179.23/559,651.04
  6. Step 6: Final answer
    x = 420,885.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.