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Finding the Fourth Proportional to 865,695.12, 1,194,665.16 and 483,738

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Solution

The fourth proportional to 865,695.12, 1,194,665.16 and 483,738 is: 667,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,695.12 : 1,194,665.16 = 483,738 : x
  2. Step 2: Convert to fraction form
    865,695.12/1,194,665.16 = 483,738/x
  3. Step 3: Cross multiply
    865,695.12x = 1,194,665.16 × 483,738
  4. Step 4: Simplify right side
    865,695.12x = 577,904,935,168.08
  5. Step 5: Solve for x
    x = 577,904,935,168.08/865,695.12
  6. Step 6: Final answer
    x = 667,561.73

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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.