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Finding the Fourth Proportional to 1,654.54, 2,482.25 and 558.88

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Solution

The fourth proportional to 1,654.54, 2,482.25 and 558.88 is: 838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.54 : 2,482.25 = 558.88 : x
  2. Step 2: Convert to fraction form
    1,654.54/2,482.25 = 558.88/x
  3. Step 3: Cross multiply
    1,654.54x = 2,482.25 × 558.88
  4. Step 4: Simplify right side
    1,654.54x = 1,387,270.88
  5. Step 5: Solve for x
    x = 1,387,270.88/1,654.54
  6. Step 6: Final answer
    x = 838.46

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1.5x scale

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.