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Finding the Fourth Proportional to 322,345.46, 444,693.66 and 214,810.76

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Solution

The fourth proportional to 322,345.46, 444,693.66 and 214,810.76 is: 296,343.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,345.46 : 444,693.66 = 214,810.76 : x
  2. Step 2: Convert to fraction form
    322,345.46/444,693.66 = 214,810.76/x
  3. Step 3: Cross multiply
    322,345.46x = 444,693.66 × 214,810.76
  4. Step 4: Simplify right side
    322,345.46x = 95,524,983,071.78
  5. Step 5: Solve for x
    x = 95,524,983,071.78/322,345.46
  6. Step 6: Final answer
    x = 296,343.50

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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.