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Finding the Fourth Proportional to 479,776.95, 719,914.49 and 195,675.93

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Solution

The fourth proportional to 479,776.95, 719,914.49 and 195,675.93 is: 293,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,776.95 : 719,914.49 = 195,675.93 : x
  2. Step 2: Convert to fraction form
    479,776.95/719,914.49 = 195,675.93/x
  3. Step 3: Cross multiply
    479,776.95x = 719,914.49 × 195,675.93
  4. Step 4: Simplify right side
    479,776.95x = 140,869,937,351.23
  5. Step 5: Solve for x
    x = 140,869,937,351.23/479,776.95
  6. Step 6: Final answer
    x = 293,615.48

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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.