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Finding the Fourth Proportional to 700.14, 1,050.17 and 237.90

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Solution

The fourth proportional to 700.14, 1,050.17 and 237.90 is: 356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.14 : 1,050.17 = 237.90 : x
  2. Step 2: Convert to fraction form
    700.14/1,050.17 = 237.90/x
  3. Step 3: Cross multiply
    700.14x = 1,050.17 × 237.90
  4. Step 4: Simplify right side
    700.14x = 249,835.44
  5. Step 5: Solve for x
    x = 249,835.44/700.14
  6. Step 6: Final answer
    x = 356.84

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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.