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Finding the Fourth Proportional to 865,713.08, 1,194,681.56 and 483,740.22

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Solution

The fourth proportional to 865,713.08, 1,194,681.56 and 483,740.22 is: 667,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,713.08 : 1,194,681.56 = 483,740.22 : x
  2. Step 2: Convert to fraction form
    865,713.08/1,194,681.56 = 483,740.22/x
  3. Step 3: Cross multiply
    865,713.08x = 1,194,681.56 × 483,740.22
  4. Step 4: Simplify right side
    865,713.08x = 577,915,520,664.34
  5. Step 5: Solve for x
    x = 577,915,520,664.34/865,713.08
  6. Step 6: Final answer
    x = 667,560.11

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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.