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Finding the Fourth Proportional to 877.58, 1,316.87 and 466.73

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Solution

The fourth proportional to 877.58, 1,316.87 and 466.73 is: 700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    877.58 : 1,316.87 = 466.73 : x
  2. Step 2: Convert to fraction form
    877.58/1,316.87 = 466.73/x
  3. Step 3: Cross multiply
    877.58x = 1,316.87 × 466.73
  4. Step 4: Simplify right side
    877.58x = 614,622.74
  5. Step 5: Solve for x
    x = 614,622.74/877.58
  6. Step 6: Final answer
    x = 700.36

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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.