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Finding the Fourth Proportional to 590,205.60, 885,193.20 and 196,221.60

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Solution

The fourth proportional to 590,205.60, 885,193.20 and 196,221.60 is: 294,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,205.60 : 885,193.20 = 196,221.60 : x
  2. Step 2: Convert to fraction form
    590,205.60/885,193.20 = 196,221.60/x
  3. Step 3: Cross multiply
    590,205.60x = 885,193.20 × 196,221.60
  4. Step 4: Simplify right side
    590,205.60x = 173,694,026,013.12
  5. Step 5: Solve for x
    x = 173,694,026,013.12/590,205.60
  6. Step 6: Final answer
    x = 294,294.10

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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.