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Finding the Fourth Proportional to 375,494.65, 564,422.95 and 326,188.73

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Solution

The fourth proportional to 375,494.65, 564,422.95 and 326,188.73 is: 490,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,494.65 : 564,422.95 = 326,188.73 : x
  2. Step 2: Convert to fraction form
    375,494.65/564,422.95 = 326,188.73/x
  3. Step 3: Cross multiply
    375,494.65x = 564,422.95 × 326,188.73
  4. Step 4: Simplify right side
    375,494.65x = 184,108,407,062.15
  5. Step 5: Solve for x
    x = 184,108,407,062.15/375,494.65
  6. Step 6: Final answer
    x = 490,309.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.