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Finding the Fourth Proportional to 328,079.58, 452,749.78 and 177,176.58

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Solution

The fourth proportional to 328,079.58, 452,749.78 and 177,176.58 is: 244,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,079.58 : 452,749.78 = 177,176.58 : x
  2. Step 2: Convert to fraction form
    328,079.58/452,749.78 = 177,176.58/x
  3. Step 3: Cross multiply
    328,079.58x = 452,749.78 × 177,176.58
  4. Step 4: Simplify right side
    328,079.58x = 80,216,657,616.15
  5. Step 5: Solve for x
    x = 80,216,657,616.15/328,079.58
  6. Step 6: Final answer
    x = 244,503.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.