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Finding the Fourth Proportional to 575,876.80, 794,709.44 and 321,227.84

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Solution

The fourth proportional to 575,876.80, 794,709.44 and 321,227.84 is: 443,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,876.80 : 794,709.44 = 321,227.84 : x
  2. Step 2: Convert to fraction form
    575,876.80/794,709.44 = 321,227.84/x
  3. Step 3: Cross multiply
    575,876.80x = 794,709.44 × 321,227.84
  4. Step 4: Simplify right side
    575,876.80x = 255,282,796,838.81
  5. Step 5: Solve for x
    x = 255,282,796,838.81/575,876.80
  6. Step 6: Final answer
    x = 443,294.12

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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.