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Finding the Fourth Proportional to 552,805.68, 829,213.17 and 153,477.60

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Solution

The fourth proportional to 552,805.68, 829,213.17 and 153,477.60 is: 230,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,805.68 : 829,213.17 = 153,477.60 : x
  2. Step 2: Convert to fraction form
    552,805.68/829,213.17 = 153,477.60/x
  3. Step 3: Cross multiply
    552,805.68x = 829,213.17 × 153,477.60
  4. Step 4: Simplify right side
    552,805.68x = 127,265,647,219.99
  5. Step 5: Solve for x
    x = 127,265,647,219.99/552,805.68
  6. Step 6: Final answer
    x = 230,217.69

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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.