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Finding the Fourth Proportional to 555,905.20, 833,857.80 and 200,930.80

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Solution

The fourth proportional to 555,905.20, 833,857.80 and 200,930.80 is: 301,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,905.20 : 833,857.80 = 200,930.80 : x
  2. Step 2: Convert to fraction form
    555,905.20/833,857.80 = 200,930.80/x
  3. Step 3: Cross multiply
    555,905.20x = 833,857.80 × 200,930.80
  4. Step 4: Simplify right side
    555,905.20x = 167,547,714,840.24
  5. Step 5: Solve for x
    x = 167,547,714,840.24/555,905.20
  6. Step 6: Final answer
    x = 301,396.20

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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.