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Finding the Fourth Proportional to 487,369.83, 731,171.40 and 246,884.07

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Solution

The fourth proportional to 487,369.83, 731,171.40 and 246,884.07 is: 370,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,369.83 : 731,171.40 = 246,884.07 : x
  2. Step 2: Convert to fraction form
    487,369.83/731,171.40 = 246,884.07/x
  3. Step 3: Cross multiply
    487,369.83x = 731,171.40 × 246,884.07
  4. Step 4: Simplify right side
    487,369.83x = 180,514,571,099.60
  5. Step 5: Solve for x
    x = 180,514,571,099.60/487,369.83
  6. Step 6: Final answer
    x = 370,385.20

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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.