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Finding the Fourth Proportional to 846.74, 1,267.88 and 585.95

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Solution

The fourth proportional to 846.74, 1,267.88 and 585.95 is: 877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.74 : 1,267.88 = 585.95 : x
  2. Step 2: Convert to fraction form
    846.74/1,267.88 = 585.95/x
  3. Step 3: Cross multiply
    846.74x = 1,267.88 × 585.95
  4. Step 4: Simplify right side
    846.74x = 742,905.02
  5. Step 5: Solve for x
    x = 742,905.02/846.74
  6. Step 6: Final answer
    x = 877.38

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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.