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Finding the Fourth Proportional to 325,773.36, 488,482.40 and 98,035.76

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Solution

The fourth proportional to 325,773.36, 488,482.40 and 98,035.76 is: 147,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,773.36 : 488,482.40 = 98,035.76 : x
  2. Step 2: Convert to fraction form
    325,773.36/488,482.40 = 98,035.76/x
  3. Step 3: Cross multiply
    325,773.36x = 488,482.40 × 98,035.76
  4. Step 4: Simplify right side
    325,773.36x = 47,888,743,330.62
  5. Step 5: Solve for x
    x = 47,888,743,330.62/325,773.36
  6. Step 6: Final answer
    x = 147,000.18

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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.