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Finding the Fourth Proportional to 305,630.55, 458,545.44 and 153,749.24

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Solution

The fourth proportional to 305,630.55, 458,545.44 and 153,749.24 is: 230,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,630.55 : 458,545.44 = 153,749.24 : x
  2. Step 2: Convert to fraction form
    305,630.55/458,545.44 = 153,749.24/x
  3. Step 3: Cross multiply
    305,630.55x = 458,545.44 × 153,749.24
  4. Step 4: Simplify right side
    305,630.55x = 70,501,010,612.74
  5. Step 5: Solve for x
    x = 70,501,010,612.74/305,630.55
  6. Step 6: Final answer
    x = 230,673.96

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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.