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Finding the Fourth Proportional to 325,881.61, 488,191.90 and 183,293.66

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Solution

The fourth proportional to 325,881.61, 488,191.90 and 183,293.66 is: 274,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,881.61 : 488,191.90 = 183,293.66 : x
  2. Step 2: Convert to fraction form
    325,881.61/488,191.90 = 183,293.66/x
  3. Step 3: Cross multiply
    325,881.61x = 488,191.90 × 183,293.66
  4. Step 4: Simplify right side
    325,881.61x = 89,482,480,133.35
  5. Step 5: Solve for x
    x = 89,482,480,133.35/325,881.61
  6. Step 6: Final answer
    x = 274,585.85

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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.