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Finding the Fourth Proportional to 291,696.95, 437,545.32 and 70,080.95

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Solution

The fourth proportional to 291,696.95, 437,545.32 and 70,080.95 is: 105,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,696.95 : 437,545.32 = 70,080.95 : x
  2. Step 2: Convert to fraction form
    291,696.95/437,545.32 = 70,080.95/x
  3. Step 3: Cross multiply
    291,696.95x = 437,545.32 × 70,080.95
  4. Step 4: Simplify right side
    291,696.95x = 30,663,589,505.93
  5. Step 5: Solve for x
    x = 30,663,589,505.93/291,696.95
  6. Step 6: Final answer
    x = 105,121.39

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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.