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Finding the Fourth Proportional to 967,813.76, 1,335,616.62 and 538,112

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Solution

The fourth proportional to 967,813.76, 1,335,616.62 and 538,112 is: 742,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,813.76 : 1,335,616.62 = 538,112 : x
  2. Step 2: Convert to fraction form
    967,813.76/1,335,616.62 = 538,112/x
  3. Step 3: Cross multiply
    967,813.76x = 1,335,616.62 × 538,112
  4. Step 4: Simplify right side
    967,813.76x = 718,711,330,621.44
  5. Step 5: Solve for x
    x = 718,711,330,621.44/967,813.76
  6. Step 6: Final answer
    x = 742,613.26

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