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Finding the Fourth Proportional to 937.48, 1,405.35 and 589.75

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Solution

The fourth proportional to 937.48, 1,405.35 and 589.75 is: 884.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.48 : 1,405.35 = 589.75 : x
  2. Step 2: Convert to fraction form
    937.48/1,405.35 = 589.75/x
  3. Step 3: Cross multiply
    937.48x = 1,405.35 × 589.75
  4. Step 4: Simplify right side
    937.48x = 828,805.16
  5. Step 5: Solve for x
    x = 828,805.16/937.48
  6. Step 6: Final answer
    x = 884.08

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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.