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Finding the Fourth Proportional to 590,234.80, 885,352.20 and 147,002.80

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Solution

The fourth proportional to 590,234.80, 885,352.20 and 147,002.80 is: 220,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,234.80 : 885,352.20 = 147,002.80 : x
  2. Step 2: Convert to fraction form
    590,234.80/885,352.20 = 147,002.80/x
  3. Step 3: Cross multiply
    590,234.80x = 885,352.20 × 147,002.80
  4. Step 4: Simplify right side
    590,234.80x = 130,149,252,386.16
  5. Step 5: Solve for x
    x = 130,149,252,386.16/590,234.80
  6. Step 6: Final answer
    x = 220,504.20

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Similar ratio
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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.