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Finding the Fourth Proportional to 675,763.20, 932,460.96 and 403,773.60

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Solution

The fourth proportional to 675,763.20, 932,460.96 and 403,773.60 is: 557,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,763.20 : 932,460.96 = 403,773.60 : x
  2. Step 2: Convert to fraction form
    675,763.20/932,460.96 = 403,773.60/x
  3. Step 3: Cross multiply
    675,763.20x = 932,460.96 × 403,773.60
  4. Step 4: Simplify right side
    675,763.20x = 376,503,118,678.66
  5. Step 5: Solve for x
    x = 376,503,118,678.66/675,763.20
  6. Step 6: Final answer
    x = 557,152.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.