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Finding the Fourth Proportional to 845.66, 1,167.04 and 472.69

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Solution

The fourth proportional to 845.66, 1,167.04 and 472.69 is: 652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.66 : 1,167.04 = 472.69 : x
  2. Step 2: Convert to fraction form
    845.66/1,167.04 = 472.69/x
  3. Step 3: Cross multiply
    845.66x = 1,167.04 × 472.69
  4. Step 4: Simplify right side
    845.66x = 551,648.14
  5. Step 5: Solve for x
    x = 551,648.14/845.66
  6. Step 6: Final answer
    x = 652.33

Related Problems

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Half scale
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Double scale
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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.