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Finding the Fourth Proportional to 416,878.26, 625,317.64 and 292,773.30

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Solution

The fourth proportional to 416,878.26, 625,317.64 and 292,773.30 is: 439,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,878.26 : 625,317.64 = 292,773.30 : x
  2. Step 2: Convert to fraction form
    416,878.26/625,317.64 = 292,773.30/x
  3. Step 3: Cross multiply
    416,878.26x = 625,317.64 × 292,773.30
  4. Step 4: Simplify right side
    416,878.26x = 183,076,309,011.01
  5. Step 5: Solve for x
    x = 183,076,309,011.01/416,878.26
  6. Step 6: Final answer
    x = 439,160.13

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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.