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Finding the Fourth Proportional to 865,697.52, 1,194,639.66 and 483,727.44

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Solution

The fourth proportional to 865,697.52, 1,194,639.66 and 483,727.44 is: 667,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,697.52 : 1,194,639.66 = 483,727.44 : x
  2. Step 2: Convert to fraction form
    865,697.52/1,194,639.66 = 483,727.44/x
  3. Step 3: Cross multiply
    865,697.52x = 1,194,639.66 × 483,727.44
  4. Step 4: Simplify right side
    865,697.52x = 577,879,984,454.27
  5. Step 5: Solve for x
    x = 577,879,984,454.27/865,697.52
  6. Step 6: Final answer
    x = 667,531.06

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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.