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Finding the Fourth Proportional to 700.32, 1,050.24 and 537.68

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Solution

The fourth proportional to 700.32, 1,050.24 and 537.68 is: 806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.32 : 1,050.24 = 537.68 : x
  2. Step 2: Convert to fraction form
    700.32/1,050.24 = 537.68/x
  3. Step 3: Cross multiply
    700.32x = 1,050.24 × 537.68
  4. Step 4: Simplify right side
    700.32x = 564,693.04
  5. Step 5: Solve for x
    x = 564,693.04/700.32
  6. Step 6: Final answer
    x = 806.34

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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.