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Finding the Fourth Proportional to 563,881.29, 778,084.48 and 322,179.51

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Solution

The fourth proportional to 563,881.29, 778,084.48 and 322,179.51 is: 444,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,881.29 : 778,084.48 = 322,179.51 : x
  2. Step 2: Convert to fraction form
    563,881.29/778,084.48 = 322,179.51/x
  3. Step 3: Cross multiply
    563,881.29x = 778,084.48 × 322,179.51
  4. Step 4: Simplify right side
    563,881.29x = 250,682,876,505.01
  5. Step 5: Solve for x
    x = 250,682,876,505.01/563,881.29
  6. Step 6: Final answer
    x = 444,566.76

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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.