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Finding the Fourth Proportional to 277,546.84, 416,359.54 and 85,437.11

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Solution

The fourth proportional to 277,546.84, 416,359.54 and 85,437.11 is: 128,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,546.84 : 416,359.54 = 85,437.11 : x
  2. Step 2: Convert to fraction form
    277,546.84/416,359.54 = 85,437.11/x
  3. Step 3: Cross multiply
    277,546.84x = 416,359.54 × 85,437.11
  4. Step 4: Simplify right side
    277,546.84x = 35,572,555,818.53
  5. Step 5: Solve for x
    x = 35,572,555,818.53/277,546.84
  6. Step 6: Final answer
    x = 128,167.76

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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.