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Finding the Fourth Proportional to 463,386.80, 694,302.60 and 226,218.80

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Solution

The fourth proportional to 463,386.80, 694,302.60 and 226,218.80 is: 338,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,386.80 : 694,302.60 = 226,218.80 : x
  2. Step 2: Convert to fraction form
    463,386.80/694,302.60 = 226,218.80/x
  3. Step 3: Cross multiply
    463,386.80x = 694,302.60 × 226,218.80
  4. Step 4: Simplify right side
    463,386.80x = 157,064,301,008.88
  5. Step 5: Solve for x
    x = 157,064,301,008.88/463,386.80
  6. Step 6: Final answer
    x = 338,948.59

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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.