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Finding the Fourth Proportional to 480,458.46, 720,124.77 and 195,971.46

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Solution

The fourth proportional to 480,458.46, 720,124.77 and 195,971.46 is: 293,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,458.46 : 720,124.77 = 195,971.46 : x
  2. Step 2: Convert to fraction form
    480,458.46/720,124.77 = 195,971.46/x
  3. Step 3: Cross multiply
    480,458.46x = 720,124.77 × 195,971.46
  4. Step 4: Simplify right side
    480,458.46x = 141,123,902,559.06
  5. Step 5: Solve for x
    x = 141,123,902,559.06/480,458.46
  6. Step 6: Final answer
    x = 293,727.58

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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.