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Finding the Fourth Proportional to 402,670.06, 604,442.72 and 162,948.96

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Solution

The fourth proportional to 402,670.06, 604,442.72 and 162,948.96 is: 244,600.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,670.06 : 604,442.72 = 162,948.96 : x
  2. Step 2: Convert to fraction form
    402,670.06/604,442.72 = 162,948.96/x
  3. Step 3: Cross multiply
    402,670.06x = 604,442.72 × 162,948.96
  4. Step 4: Simplify right side
    402,670.06x = 98,493,309,988.73
  5. Step 5: Solve for x
    x = 98,493,309,988.73/402,670.06
  6. Step 6: Final answer
    x = 244,600.53

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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.