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Finding the Fourth Proportional to 584,418.80, 876,628.20 and 571,296.80

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Solution

The fourth proportional to 584,418.80, 876,628.20 and 571,296.80 is: 856,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,418.80 : 876,628.20 = 571,296.80 : x
  2. Step 2: Convert to fraction form
    584,418.80/876,628.20 = 571,296.80/x
  3. Step 3: Cross multiply
    584,418.80x = 876,628.20 × 571,296.80
  4. Step 4: Simplify right side
    584,418.80x = 500,814,885,449.76
  5. Step 5: Solve for x
    x = 500,814,885,449.76/584,418.80
  6. Step 6: Final answer
    x = 856,945.20

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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.