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Finding the Fourth Proportional to 479,792.16, 719,937.32 and 195,691.14

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Solution

The fourth proportional to 479,792.16, 719,937.32 and 195,691.14 is: 293,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,792.16 : 719,937.32 = 195,691.14 : x
  2. Step 2: Convert to fraction form
    479,792.16/719,937.32 = 195,691.14/x
  3. Step 3: Cross multiply
    479,792.16x = 719,937.32 × 195,691.14
  4. Step 4: Simplify right side
    479,792.16x = 140,885,353,900.89
  5. Step 5: Solve for x
    x = 140,885,353,900.89/479,792.16
  6. Step 6: Final answer
    x = 293,638.30

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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.