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Finding the Fourth Proportional to 461,266.28, 636,538.98 and 260,062.44

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Solution

The fourth proportional to 461,266.28, 636,538.98 and 260,062.44 is: 358,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,266.28 : 636,538.98 = 260,062.44 : x
  2. Step 2: Convert to fraction form
    461,266.28/636,538.98 = 260,062.44/x
  3. Step 3: Cross multiply
    461,266.28x = 636,538.98 × 260,062.44
  4. Step 4: Simplify right side
    461,266.28x = 165,539,880,293.91
  5. Step 5: Solve for x
    x = 165,539,880,293.91/461,266.28
  6. Step 6: Final answer
    x = 358,881.38

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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.