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Finding the Fourth Proportional to 584,237.28, 806,255.28 and 329,587.68

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Solution

The fourth proportional to 584,237.28, 806,255.28 and 329,587.68 is: 454,835.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,237.28 : 806,255.28 = 329,587.68 : x
  2. Step 2: Convert to fraction form
    584,237.28/806,255.28 = 329,587.68/x
  3. Step 3: Cross multiply
    584,237.28x = 806,255.28 × 329,587.68
  4. Step 4: Simplify right side
    584,237.28x = 265,731,807,222.95
  5. Step 5: Solve for x
    x = 265,731,807,222.95/584,237.28
  6. Step 6: Final answer
    x = 454,835.42

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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.