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Finding the Fourth Proportional to 276,901.60, 382,123.98 and 149,577.16

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Solution

The fourth proportional to 276,901.60, 382,123.98 and 149,577.16 is: 206,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,901.60 : 382,123.98 = 149,577.16 : x
  2. Step 2: Convert to fraction form
    276,901.60/382,123.98 = 149,577.16/x
  3. Step 3: Cross multiply
    276,901.60x = 382,123.98 × 149,577.16
  4. Step 4: Simplify right side
    276,901.60x = 57,157,019,696.30
  5. Step 5: Solve for x
    x = 57,157,019,696.30/276,901.60
  6. Step 6: Final answer
    x = 206,416.36

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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.