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Finding the Fourth Proportional to 316,334.38, 436,541.42 and 173,094.42

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Solution

The fourth proportional to 316,334.38, 436,541.42 and 173,094.42 is: 238,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,334.38 : 436,541.42 = 173,094.42 : x
  2. Step 2: Convert to fraction form
    316,334.38/436,541.42 = 173,094.42/x
  3. Step 3: Cross multiply
    316,334.38x = 436,541.42 × 173,094.42
  4. Step 4: Simplify right side
    316,334.38x = 75,562,883,900.88
  5. Step 5: Solve for x
    x = 75,562,883,900.88/316,334.38
  6. Step 6: Final answer
    x = 238,870.29

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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.