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Finding the Fourth Proportional to 351,466.40, 527,199.60 and 335,136.80

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Solution

The fourth proportional to 351,466.40, 527,199.60 and 335,136.80 is: 502,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,466.40 : 527,199.60 = 335,136.80 : x
  2. Step 2: Convert to fraction form
    351,466.40/527,199.60 = 335,136.80/x
  3. Step 3: Cross multiply
    351,466.40x = 527,199.60 × 335,136.80
  4. Step 4: Simplify right side
    351,466.40x = 176,683,986,905.28
  5. Step 5: Solve for x
    x = 176,683,986,905.28/351,466.40
  6. Step 6: Final answer
    x = 502,705.20

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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.