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Finding the Fourth Proportional to 367,048.36, 550,403.58 and 145,280.68

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Solution

The fourth proportional to 367,048.36, 550,403.58 and 145,280.68 is: 217,854.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,048.36 : 550,403.58 = 145,280.68 : x
  2. Step 2: Convert to fraction form
    367,048.36/550,403.58 = 145,280.68/x
  3. Step 3: Cross multiply
    367,048.36x = 550,403.58 × 145,280.68
  4. Step 4: Simplify right side
    367,048.36x = 79,963,006,376.83
  5. Step 5: Solve for x
    x = 79,963,006,376.83/367,048.36
  6. Step 6: Final answer
    x = 217,854.14

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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.