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Finding the Fourth Proportional to 504,012.10, 756,018.15 and 282,367.30

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Solution

The fourth proportional to 504,012.10, 756,018.15 and 282,367.30 is: 423,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,012.10 : 756,018.15 = 282,367.30 : x
  2. Step 2: Convert to fraction form
    504,012.10/756,018.15 = 282,367.30/x
  3. Step 3: Cross multiply
    504,012.10x = 756,018.15 × 282,367.30
  4. Step 4: Simplify right side
    504,012.10x = 213,474,803,766.50
  5. Step 5: Solve for x
    x = 213,474,803,766.50/504,012.10
  6. Step 6: Final answer
    x = 423,550.95

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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.