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Finding the Fourth Proportional to 714.18, 1,070.49 and 467.07

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Solution

The fourth proportional to 714.18, 1,070.49 and 467.07 is: 700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    714.18 : 1,070.49 = 467.07 : x
  2. Step 2: Convert to fraction form
    714.18/1,070.49 = 467.07/x
  3. Step 3: Cross multiply
    714.18x = 1,070.49 × 467.07
  4. Step 4: Simplify right side
    714.18x = 499,993.76
  5. Step 5: Solve for x
    x = 499,993.76/714.18
  6. Step 6: Final answer
    x = 700.09

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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.