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Finding the Fourth Proportional to 845.99, 1,167.48 and 473

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Solution

The fourth proportional to 845.99, 1,167.48 and 473 is: 652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    845.99 : 1,167.48 = 473 : x
  2. Step 2: Convert to fraction form
    845.99/1,167.48 = 473/x
  3. Step 3: Cross multiply
    845.99x = 1,167.48 × 473
  4. Step 4: Simplify right side
    845.99x = 552,218.04
  5. Step 5: Solve for x
    x = 552,218.04/845.99
  6. Step 6: Final answer
    x = 652.75

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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.