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Finding the Fourth Proportional to 827,088.60, 1,160,286 and 827,088.60

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Solution

The fourth proportional to 827,088.60, 1,160,286 and 827,088.60 is: 1,160,286

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,088.60 : 1,160,286 = 827,088.60 : x
  2. Step 2: Convert to fraction form
    827,088.60/1,160,286 = 827,088.60/x
  3. Step 3: Cross multiply
    827,088.60x = 1,160,286 × 827,088.60
  4. Step 4: Simplify right side
    827,088.60x = 959,659,323,339.60
  5. Step 5: Solve for x
    x = 959,659,323,339.60/827,088.60
  6. Step 6: Final answer
    x = 1,160,286

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.