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Finding the Fourth Proportional to 865,662.06, 1,194,611.13 and 483,689.13

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Solution

The fourth proportional to 865,662.06, 1,194,611.13 and 483,689.13 is: 667,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,662.06 : 1,194,611.13 = 483,689.13 : x
  2. Step 2: Convert to fraction form
    865,662.06/1,194,611.13 = 483,689.13/x
  3. Step 3: Cross multiply
    865,662.06x = 1,194,611.13 × 483,689.13
  4. Step 4: Simplify right side
    865,662.06x = 577,820,418,158.02
  5. Step 5: Solve for x
    x = 577,820,418,158.02/865,662.06
  6. Step 6: Final answer
    x = 667,489.60

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Double scale
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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.