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Finding the Fourth Proportional to 367,707.48, 551,562.66 and 243,020.76

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Solution

The fourth proportional to 367,707.48, 551,562.66 and 243,020.76 is: 364,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,707.48 : 551,562.66 = 243,020.76 : x
  2. Step 2: Convert to fraction form
    367,707.48/551,562.66 = 243,020.76/x
  3. Step 3: Cross multiply
    367,707.48x = 551,562.66 × 243,020.76
  4. Step 4: Simplify right side
    367,707.48x = 134,041,176,820.82
  5. Step 5: Solve for x
    x = 134,041,176,820.82/367,707.48
  6. Step 6: Final answer
    x = 364,532.09

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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.