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Finding the Fourth Proportional to 338,706.12, 508,399.38 and 301,002.24

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Solution

The fourth proportional to 338,706.12, 508,399.38 and 301,002.24 is: 451,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,706.12 : 508,399.38 = 301,002.24 : x
  2. Step 2: Convert to fraction form
    338,706.12/508,399.38 = 301,002.24/x
  3. Step 3: Cross multiply
    338,706.12x = 508,399.38 × 301,002.24
  4. Step 4: Simplify right side
    338,706.12x = 153,029,352,194.61
  5. Step 5: Solve for x
    x = 153,029,352,194.61/338,706.12
  6. Step 6: Final answer
    x = 451,805.69

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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.