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Finding the Fourth Proportional to 599,705.23, 899,713.50 and 178,981.10

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Solution

The fourth proportional to 599,705.23, 899,713.50 and 178,981.10 is: 268,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,705.23 : 899,713.50 = 178,981.10 : x
  2. Step 2: Convert to fraction form
    599,705.23/899,713.50 = 178,981.10/x
  3. Step 3: Cross multiply
    599,705.23x = 899,713.50 × 178,981.10
  4. Step 4: Simplify right side
    599,705.23x = 161,031,711,914.85
  5. Step 5: Solve for x
    x = 161,031,711,914.85/599,705.23
  6. Step 6: Final answer
    x = 268,518.11

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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.