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Finding the Fourth Proportional to 700.15, 1,050.16 and 237.91

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Solution

The fourth proportional to 700.15, 1,050.16 and 237.91 is: 356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.15 : 1,050.16 = 237.91 : x
  2. Step 2: Convert to fraction form
    700.15/1,050.16 = 237.91/x
  3. Step 3: Cross multiply
    700.15x = 1,050.16 × 237.91
  4. Step 4: Simplify right side
    700.15x = 249,843.57
  5. Step 5: Solve for x
    x = 249,843.57/700.15
  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.