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Finding the Fourth Proportional to 627,957.52, 941,968.80 and 207,266.16

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Solution

The fourth proportional to 627,957.52, 941,968.80 and 207,266.16 is: 310,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,957.52 : 941,968.80 = 207,266.16 : x
  2. Step 2: Convert to fraction form
    627,957.52/941,968.80 = 207,266.16/x
  3. Step 3: Cross multiply
    627,957.52x = 941,968.80 × 207,266.16
  4. Step 4: Simplify right side
    627,957.52x = 195,238,256,015.81
  5. Step 5: Solve for x
    x = 195,238,256,015.81/627,957.52
  6. Step 6: Final answer
    x = 310,909.97

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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.