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Finding the Fourth Proportional to 306,748.80, 460,389.03 and 306,039.54

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Solution

The fourth proportional to 306,748.80, 460,389.03 and 306,039.54 is: 459,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,748.80 : 460,389.03 = 306,039.54 : x
  2. Step 2: Convert to fraction form
    306,748.80/460,389.03 = 306,039.54/x
  3. Step 3: Cross multiply
    306,748.80x = 460,389.03 × 306,039.54
  4. Step 4: Simplify right side
    306,748.80x = 140,897,246,962.25
  5. Step 5: Solve for x
    x = 140,897,246,962.25/306,748.80
  6. Step 6: Final answer
    x = 459,324.53

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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.