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Finding the Fourth Proportional to 436,805.24, 655,398.63 and 152,699.76

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Solution

The fourth proportional to 436,805.24, 655,398.63 and 152,699.76 is: 229,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,805.24 : 655,398.63 = 152,699.76 : x
  2. Step 2: Convert to fraction form
    436,805.24/655,398.63 = 152,699.76/x
  3. Step 3: Cross multiply
    436,805.24x = 655,398.63 × 152,699.76
  4. Step 4: Simplify right side
    436,805.24x = 100,079,213,505.33
  5. Step 5: Solve for x
    x = 100,079,213,505.33/436,805.24
  6. Step 6: Final answer
    x = 229,116.33

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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.