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Finding the Fourth Proportional to 581,086.76, 801,894.06 and 322,964.28

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Solution

The fourth proportional to 581,086.76, 801,894.06 and 322,964.28 is: 445,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,086.76 : 801,894.06 = 322,964.28 : x
  2. Step 2: Convert to fraction form
    581,086.76/801,894.06 = 322,964.28/x
  3. Step 3: Cross multiply
    581,086.76x = 801,894.06 × 322,964.28
  4. Step 4: Simplify right side
    581,086.76x = 258,983,137,724.18
  5. Step 5: Solve for x
    x = 258,983,137,724.18/581,086.76
  6. Step 6: Final answer
    x = 445,687.56

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Double scale
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1.5x scale

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.