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Finding the Fourth Proportional to 432,898.80, 649,348.20 and 354,166.80

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Solution

The fourth proportional to 432,898.80, 649,348.20 and 354,166.80 is: 531,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,898.80 : 649,348.20 = 354,166.80 : x
  2. Step 2: Convert to fraction form
    432,898.80/649,348.20 = 354,166.80/x
  3. Step 3: Cross multiply
    432,898.80x = 649,348.20 × 354,166.80
  4. Step 4: Simplify right side
    432,898.80x = 229,977,574,079.76
  5. Step 5: Solve for x
    x = 229,977,574,079.76/432,898.80
  6. Step 6: Final answer
    x = 531,250.20

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Similar ratio
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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.