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Finding the Fourth Proportional to 594,087.70, 891,131.55 and 342,145.30

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Solution

The fourth proportional to 594,087.70, 891,131.55 and 342,145.30 is: 513,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,087.70 : 891,131.55 = 342,145.30 : x
  2. Step 2: Convert to fraction form
    594,087.70/891,131.55 = 342,145.30/x
  3. Step 3: Cross multiply
    594,087.70x = 891,131.55 × 342,145.30
  4. Step 4: Simplify right side
    594,087.70x = 304,896,471,514.22
  5. Step 5: Solve for x
    x = 304,896,471,514.22/594,087.70
  6. Step 6: Final answer
    x = 513,217.95

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Similar ratio
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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.