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Finding the Fourth Proportional to 579,888.13, 869,891.91 and 200,808.13

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Solution

The fourth proportional to 579,888.13, 869,891.91 and 200,808.13 is: 301,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,888.13 : 869,891.91 = 200,808.13 : x
  2. Step 2: Convert to fraction form
    579,888.13/869,891.91 = 200,808.13/x
  3. Step 3: Cross multiply
    579,888.13x = 869,891.91 × 200,808.13
  4. Step 4: Simplify right side
    579,888.13x = 174,681,367,749.23
  5. Step 5: Solve for x
    x = 174,681,367,749.23/579,888.13
  6. Step 6: Final answer
    x = 301,232.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.