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Finding the Fourth Proportional to 608,934.30, 913,401.45 and 188,339.10

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Solution

The fourth proportional to 608,934.30, 913,401.45 and 188,339.10 is: 282,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,934.30 : 913,401.45 = 188,339.10 : x
  2. Step 2: Convert to fraction form
    608,934.30/913,401.45 = 188,339.10/x
  3. Step 3: Cross multiply
    608,934.30x = 913,401.45 × 188,339.10
  4. Step 4: Simplify right side
    608,934.30x = 172,029,207,031.70
  5. Step 5: Solve for x
    x = 172,029,207,031.70/608,934.30
  6. Step 6: Final answer
    x = 282,508.65

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Double scale
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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.