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Finding the Fourth Proportional to 479,808.18, 719,670.29 and 195,528.56

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Solution

The fourth proportional to 479,808.18, 719,670.29 and 195,528.56 is: 293,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,808.18 : 719,670.29 = 195,528.56 : x
  2. Step 2: Convert to fraction form
    479,808.18/719,670.29 = 195,528.56/x
  3. Step 3: Cross multiply
    479,808.18x = 719,670.29 × 195,528.56
  4. Step 4: Simplify right side
    479,808.18x = 140,716,090,902.49
  5. Step 5: Solve for x
    x = 140,716,090,902.49/479,808.18
  6. Step 6: Final answer
    x = 293,275.72

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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.