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Finding the Fourth Proportional to 826.71, 1,237.13 and 567.01

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Solution

The fourth proportional to 826.71, 1,237.13 and 567.01 is: 848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    826.71 : 1,237.13 = 567.01 : x
  2. Step 2: Convert to fraction form
    826.71/1,237.13 = 567.01/x
  3. Step 3: Cross multiply
    826.71x = 1,237.13 × 567.01
  4. Step 4: Simplify right side
    826.71x = 701,465.08
  5. Step 5: Solve for x
    x = 701,465.08/826.71
  6. Step 6: Final answer
    x = 848.50

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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.