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Finding the Fourth Proportional to 557,517.03, 833,722.02 and 415,461.12

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Solution

The fourth proportional to 557,517.03, 833,722.02 and 415,461.12 is: 621,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,517.03 : 833,722.02 = 415,461.12 : x
  2. Step 2: Convert to fraction form
    557,517.03/833,722.02 = 415,461.12/x
  3. Step 3: Cross multiply
    557,517.03x = 833,722.02 × 415,461.12
  4. Step 4: Simplify right side
    557,517.03x = 346,379,084,197.86
  5. Step 5: Solve for x
    x = 346,379,084,197.86/557,517.03
  6. Step 6: Final answer
    x = 621,288.80

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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.