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Finding the Fourth Proportional to 338,860.74, 508,282.46 and 89,544.90

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Solution

The fourth proportional to 338,860.74, 508,282.46 and 89,544.90 is: 134,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,860.74 : 508,282.46 = 89,544.90 : x
  2. Step 2: Convert to fraction form
    338,860.74/508,282.46 = 89,544.90/x
  3. Step 3: Cross multiply
    338,860.74x = 508,282.46 × 89,544.90
  4. Step 4: Simplify right side
    338,860.74x = 45,514,102,052.45
  5. Step 5: Solve for x
    x = 45,514,102,052.45/338,860.74
  6. Step 6: Final answer
    x = 134,315.06

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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.