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Finding the Fourth Proportional to 590,675.20, 886,450.20 and 433,211.20

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Solution

The fourth proportional to 590,675.20, 886,450.20 and 433,211.20 is: 650,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,675.20 : 886,450.20 = 433,211.20 : x
  2. Step 2: Convert to fraction form
    590,675.20/886,450.20 = 433,211.20/x
  3. Step 3: Cross multiply
    590,675.20x = 886,450.20 × 433,211.20
  4. Step 4: Simplify right side
    590,675.20x = 384,020,154,882.24
  5. Step 5: Solve for x
    x = 384,020,154,882.24/590,675.20
  6. Step 6: Final answer
    x = 650,137.60

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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.