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Finding the Fourth Proportional to 865,684.54, 1,194,650.67 and 483,727.42

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Solution

The fourth proportional to 865,684.54, 1,194,650.67 and 483,727.42 is: 667,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,684.54 : 1,194,650.67 = 483,727.42 : x
  2. Step 2: Convert to fraction form
    865,684.54/1,194,650.67 = 483,727.42/x
  3. Step 3: Cross multiply
    865,684.54x = 1,194,650.67 × 483,727.42
  4. Step 4: Simplify right side
    865,684.54x = 577,885,286,400.37
  5. Step 5: Solve for x
    x = 577,885,286,400.37/865,684.54
  6. Step 6: Final answer
    x = 667,547.19

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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.