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Finding the Fourth Proportional to 605,772.95, 908,484.44 and 206,404.88

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Solution

The fourth proportional to 605,772.95, 908,484.44 and 206,404.88 is: 309,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,772.95 : 908,484.44 = 206,404.88 : x
  2. Step 2: Convert to fraction form
    605,772.95/908,484.44 = 206,404.88/x
  3. Step 3: Cross multiply
    605,772.95x = 908,484.44 × 206,404.88
  4. Step 4: Simplify right side
    605,772.95x = 187,515,616,245.62
  5. Step 5: Solve for x
    x = 187,515,616,245.62/605,772.95
  6. Step 6: Final answer
    x = 309,547.69

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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.