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Finding the Fourth Proportional to 967.36, 1,334.76 and 594.40

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Solution

The fourth proportional to 967.36, 1,334.76 and 594.40 is: 820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.36 : 1,334.76 = 594.40 : x
  2. Step 2: Convert to fraction form
    967.36/1,334.76 = 594.40/x
  3. Step 3: Cross multiply
    967.36x = 1,334.76 × 594.40
  4. Step 4: Simplify right side
    967.36x = 793,381.34
  5. Step 5: Solve for x
    x = 793,381.34/967.36
  6. Step 6: Final answer
    x = 820.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.