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Finding the Fourth Proportional to 480,274.92, 720,412.38 and 180,822.68

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Solution

The fourth proportional to 480,274.92, 720,412.38 and 180,822.68 is: 271,234.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,274.92 : 720,412.38 = 180,822.68 : x
  2. Step 2: Convert to fraction form
    480,274.92/720,412.38 = 180,822.68/x
  3. Step 3: Cross multiply
    480,274.92x = 720,412.38 × 180,822.68
  4. Step 4: Simplify right side
    480,274.92x = 130,266,897,256.78
  5. Step 5: Solve for x
    x = 130,266,897,256.78/480,274.92
  6. Step 6: Final answer
    x = 271,234.02

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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.