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Finding the Fourth Proportional to 559,543.28, 772,168.54 and 304,893.88

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Solution

The fourth proportional to 559,543.28, 772,168.54 and 304,893.88 is: 420,752.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,543.28 : 772,168.54 = 304,893.88 : x
  2. Step 2: Convert to fraction form
    559,543.28/772,168.54 = 304,893.88/x
  3. Step 3: Cross multiply
    559,543.28x = 772,168.54 × 304,893.88
  4. Step 4: Simplify right side
    559,543.28x = 235,429,462,174.54
  5. Step 5: Solve for x
    x = 235,429,462,174.54/559,543.28
  6. Step 6: Final answer
    x = 420,752.91

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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.