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Finding the Fourth Proportional to 321,750.32, 444,006.98 and 176,555.66

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Solution

The fourth proportional to 321,750.32, 444,006.98 and 176,555.66 is: 243,642.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,750.32 : 444,006.98 = 176,555.66 : x
  2. Step 2: Convert to fraction form
    321,750.32/444,006.98 = 176,555.66/x
  3. Step 3: Cross multiply
    321,750.32x = 444,006.98 × 176,555.66
  4. Step 4: Simplify right side
    321,750.32x = 78,391,945,398.51
  5. Step 5: Solve for x
    x = 78,391,945,398.51/321,750.32
  6. Step 6: Final answer
    x = 243,642.17

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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.