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Finding the Fourth Proportional to 316,294.36, 436,499.22 and 173,066.92

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Solution

The fourth proportional to 316,294.36, 436,499.22 and 173,066.92 is: 238,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,294.36 : 436,499.22 = 173,066.92 : x
  2. Step 2: Convert to fraction form
    316,294.36/436,499.22 = 173,066.92/x
  3. Step 3: Cross multiply
    316,294.36x = 436,499.22 × 173,066.92
  4. Step 4: Simplify right side
    316,294.36x = 75,543,575,587.80
  5. Step 5: Solve for x
    x = 75,543,575,587.80/316,294.36
  6. Step 6: Final answer
    x = 238,839.46

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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.