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Finding the Fourth Proportional to 355,524.86, 533,435.52 and 155,988.66

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Solution

The fourth proportional to 355,524.86, 533,435.52 and 155,988.66 is: 234,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,524.86 : 533,435.52 = 155,988.66 : x
  2. Step 2: Convert to fraction form
    355,524.86/533,435.52 = 155,988.66/x
  3. Step 3: Cross multiply
    355,524.86x = 533,435.52 × 155,988.66
  4. Step 4: Simplify right side
    355,524.86x = 83,209,891,961.20
  5. Step 5: Solve for x
    x = 83,209,891,961.20/355,524.86
  6. Step 6: Final answer
    x = 234,048.03

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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.