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Finding the Fourth Proportional to 1,011.07, 1,517.01 and 362.26

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Solution

The fourth proportional to 1,011.07, 1,517.01 and 362.26 is: 543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011.07 : 1,517.01 = 362.26 : x
  2. Step 2: Convert to fraction form
    1,011.07/1,517.01 = 362.26/x
  3. Step 3: Cross multiply
    1,011.07x = 1,517.01 × 362.26
  4. Step 4: Simplify right side
    1,011.07x = 549,552.04
  5. Step 5: Solve for x
    x = 549,552.04/1,011.07
  6. Step 6: Final answer
    x = 543.54

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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.