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Finding the Fourth Proportional to 234,472.69, 323,571.86 and 127,045.63

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Solution

The fourth proportional to 234,472.69, 323,571.86 and 127,045.63 is: 175,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,472.69 : 323,571.86 = 127,045.63 : x
  2. Step 2: Convert to fraction form
    234,472.69/323,571.86 = 127,045.63/x
  3. Step 3: Cross multiply
    234,472.69x = 323,571.86 × 127,045.63
  4. Step 4: Simplify right side
    234,472.69x = 41,108,389,503.73
  5. Step 5: Solve for x
    x = 41,108,389,503.73/234,472.69
  6. Step 6: Final answer
    x = 175,322.72

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1.5x scale

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.