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Finding the Fourth Proportional to 937.07, 1,406.67 and 526.10

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Solution

The fourth proportional to 937.07, 1,406.67 and 526.10 is: 789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.07 : 1,406.67 = 526.10 : x
  2. Step 2: Convert to fraction form
    937.07/1,406.67 = 526.10/x
  3. Step 3: Cross multiply
    937.07x = 1,406.67 × 526.10
  4. Step 4: Simplify right side
    937.07x = 740,040.08
  5. Step 5: Solve for x
    x = 740,040.08/937.07
  6. Step 6: Final answer
    x = 789.74

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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.