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Finding the Fourth Proportional to 274,841.29, 412,185.39 and 97,300.63

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Solution

The fourth proportional to 274,841.29, 412,185.39 and 97,300.63 is: 145,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,841.29 : 412,185.39 = 97,300.63 : x
  2. Step 2: Convert to fraction form
    274,841.29/412,185.39 = 97,300.63/x
  3. Step 3: Cross multiply
    274,841.29x = 412,185.39 × 97,300.63
  4. Step 4: Simplify right side
    274,841.29x = 40,105,898,123.80
  5. Step 5: Solve for x
    x = 40,105,898,123.80/274,841.29
  6. Step 6: Final answer
    x = 145,923.85

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1.5x scale

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.