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Finding the Fourth Proportional to 369,673.67, 554,425.72 and 103,452.86

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Solution

The fourth proportional to 369,673.67, 554,425.72 and 103,452.86 is: 155,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,673.67 : 554,425.72 = 103,452.86 : x
  2. Step 2: Convert to fraction form
    369,673.67/554,425.72 = 103,452.86/x
  3. Step 3: Cross multiply
    369,673.67x = 554,425.72 × 103,452.86
  4. Step 4: Simplify right side
    369,673.67x = 57,356,923,360.80
  5. Step 5: Solve for x
    x = 57,356,923,360.80/369,673.67
  6. Step 6: Final answer
    x = 155,155.56

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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.