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Finding the Fourth Proportional to 316,334.62, 436,541.76 and 173,094.67

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Solution

The fourth proportional to 316,334.62, 436,541.76 and 173,094.67 is: 238,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,334.62 : 436,541.76 = 173,094.67 : x
  2. Step 2: Convert to fraction form
    316,334.62/436,541.76 = 173,094.67/x
  3. Step 3: Cross multiply
    316,334.62x = 436,541.76 × 173,094.67
  4. Step 4: Simplify right side
    316,334.62x = 75,563,051,888.42
  5. Step 5: Solve for x
    x = 75,563,051,888.42/316,334.62
  6. Step 6: Final answer
    x = 238,870.64

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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.