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Finding the Fourth Proportional to 292,596.40, 439,003.90 and 115,227.04

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Solution

The fourth proportional to 292,596.40, 439,003.90 and 115,227.04 is: 172,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,596.40 : 439,003.90 = 115,227.04 : x
  2. Step 2: Convert to fraction form
    292,596.40/439,003.90 = 115,227.04/x
  3. Step 3: Cross multiply
    292,596.40x = 439,003.90 × 115,227.04
  4. Step 4: Simplify right side
    292,596.40x = 50,585,119,945.46
  5. Step 5: Solve for x
    x = 50,585,119,945.46/292,596.40
  6. Step 6: Final answer
    x = 172,883.60

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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.