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Finding the Fourth Proportional to 846.54, 1,168.21 and 473.52

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Solution

The fourth proportional to 846.54, 1,168.21 and 473.52 is: 653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.54 : 1,168.21 = 473.52 : x
  2. Step 2: Convert to fraction form
    846.54/1,168.21 = 473.52/x
  3. Step 3: Cross multiply
    846.54x = 1,168.21 × 473.52
  4. Step 4: Simplify right side
    846.54x = 553,173.11
  5. Step 5: Solve for x
    x = 553,173.11/846.54
  6. Step 6: Final answer
    x = 653.45

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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.