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Finding the Fourth Proportional to 711.06, 1,065.98 and 467.06

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Solution

The fourth proportional to 711.06, 1,065.98 and 467.06 is: 700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    711.06 : 1,065.98 = 467.06 : x
  2. Step 2: Convert to fraction form
    711.06/1,065.98 = 467.06/x
  3. Step 3: Cross multiply
    711.06x = 1,065.98 × 467.06
  4. Step 4: Simplify right side
    711.06x = 497,868.95
  5. Step 5: Solve for x
    x = 497,868.95/711.06
  6. Step 6: Final answer
    x = 700.18

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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.