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Finding the Fourth Proportional to 885.52, 1,222.04 and 536.24

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Solution

The fourth proportional to 885.52, 1,222.04 and 536.24 is: 740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    885.52 : 1,222.04 = 536.24 : x
  2. Step 2: Convert to fraction form
    885.52/1,222.04 = 536.24/x
  3. Step 3: Cross multiply
    885.52x = 1,222.04 × 536.24
  4. Step 4: Simplify right side
    885.52x = 655,306.73
  5. Step 5: Solve for x
    x = 655,306.73/885.52
  6. Step 6: Final answer
    x = 740.02

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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.