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Finding the Fourth Proportional to 270,587.31, 405,760.99 and 144,204.00

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Solution

The fourth proportional to 270,587.31, 405,760.99 and 144,204.00 is: 216,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,587.31 : 405,760.99 = 144,204.00 : x
  2. Step 2: Convert to fraction form
    270,587.31/405,760.99 = 144,204.00/x
  3. Step 3: Cross multiply
    270,587.31x = 405,760.99 × 144,204.00
  4. Step 4: Simplify right side
    270,587.31x = 58,512,356,925.86
  5. Step 5: Solve for x
    x = 58,512,356,925.86/270,587.31
  6. Step 6: Final answer
    x = 216,242.06

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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.