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Finding the Fourth Proportional to 638,099.12, 957,301.41 and 182,696.70

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Solution

The fourth proportional to 638,099.12, 957,301.41 and 182,696.70 is: 274,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,099.12 : 957,301.41 = 182,696.70 : x
  2. Step 2: Convert to fraction form
    638,099.12/957,301.41 = 182,696.70/x
  3. Step 3: Cross multiply
    638,099.12x = 957,301.41 × 182,696.70
  4. Step 4: Simplify right side
    638,099.12x = 174,895,803,269.10
  5. Step 5: Solve for x
    x = 174,895,803,269.10/638,099.12
  6. Step 6: Final answer
    x = 274,088.77

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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.