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Finding the Fourth Proportional to 303,754.60, 455,588.70 and 104,084.20

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Solution

The fourth proportional to 303,754.60, 455,588.70 and 104,084.20 is: 156,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,754.60 : 455,588.70 = 104,084.20 : x
  2. Step 2: Convert to fraction form
    303,754.60/455,588.70 = 104,084.20/x
  3. Step 3: Cross multiply
    303,754.60x = 455,588.70 × 104,084.20
  4. Step 4: Simplify right side
    303,754.60x = 47,419,585,368.54
  5. Step 5: Solve for x
    x = 47,419,585,368.54/303,754.60
  6. Step 6: Final answer
    x = 156,111.50

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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.