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Finding the Fourth Proportional to 1,011.02, 1,516.54 and 362.22

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Solution

The fourth proportional to 1,011.02, 1,516.54 and 362.22 is: 543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011.02 : 1,516.54 = 362.22 : x
  2. Step 2: Convert to fraction form
    1,011.02/1,516.54 = 362.22/x
  3. Step 3: Cross multiply
    1,011.02x = 1,516.54 × 362.22
  4. Step 4: Simplify right side
    1,011.02x = 549,321.12
  5. Step 5: Solve for x
    x = 549,321.12/1,011.02
  6. Step 6: Final answer
    x = 543.33

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Double scale
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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.