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Finding the Fourth Proportional to 562.25, 776.12 and 483.26

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Solution

The fourth proportional to 562.25, 776.12 and 483.26 is: 667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.25 : 776.12 = 483.26 : x
  2. Step 2: Convert to fraction form
    562.25/776.12 = 483.26/x
  3. Step 3: Cross multiply
    562.25x = 776.12 × 483.26
  4. Step 4: Simplify right side
    562.25x = 375,065.08
  5. Step 5: Solve for x
    x = 375,065.08/562.25
  6. Step 6: Final answer
    x = 667.08

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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.