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Finding the Fourth Proportional to 233,968.40, 350,974.80 and 65,488.64

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Solution

The fourth proportional to 233,968.40, 350,974.80 and 65,488.64 is: 98,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,968.40 : 350,974.80 = 65,488.64 : x
  2. Step 2: Convert to fraction form
    233,968.40/350,974.80 = 65,488.64/x
  3. Step 3: Cross multiply
    233,968.40x = 350,974.80 × 65,488.64
  4. Step 4: Simplify right side
    233,968.40x = 22,984,862,326.27
  5. Step 5: Solve for x
    x = 22,984,862,326.27/233,968.40
  6. Step 6: Final answer
    x = 98,239.17

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1.5x scale

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.