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Finding the Fourth Proportional to 826.16, 1,237.32 and 500.94

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Solution

The fourth proportional to 826.16, 1,237.32 and 500.94 is: 750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    826.16 : 1,237.32 = 500.94 : x
  2. Step 2: Convert to fraction form
    826.16/1,237.32 = 500.94/x
  3. Step 3: Cross multiply
    826.16x = 1,237.32 × 500.94
  4. Step 4: Simplify right side
    826.16x = 619,823.08
  5. Step 5: Solve for x
    x = 619,823.08/826.16
  6. Step 6: Final answer
    x = 750.25

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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.