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Finding the Fourth Proportional to 373,808.70, 560,685.94 and 146,061.51

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Solution

The fourth proportional to 373,808.70, 560,685.94 and 146,061.51 is: 219,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,808.70 : 560,685.94 = 146,061.51 : x
  2. Step 2: Convert to fraction form
    373,808.70/560,685.94 = 146,061.51/x
  3. Step 3: Cross multiply
    373,808.70x = 560,685.94 × 146,061.51
  4. Step 4: Simplify right side
    373,808.70x = 81,894,635,214.75
  5. Step 5: Solve for x
    x = 81,894,635,214.75/373,808.70
  6. Step 6: Final answer
    x = 219,081.67

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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.