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Finding the Fourth Proportional to 351,397.80, 484,923.06 and 190,251.54

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Solution

The fourth proportional to 351,397.80, 484,923.06 and 190,251.54 is: 262,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,397.80 : 484,923.06 = 190,251.54 : x
  2. Step 2: Convert to fraction form
    351,397.80/484,923.06 = 190,251.54/x
  3. Step 3: Cross multiply
    351,397.80x = 484,923.06 × 190,251.54
  4. Step 4: Simplify right side
    351,397.80x = 92,257,358,946.51
  5. Step 5: Solve for x
    x = 92,257,358,946.51/351,397.80
  6. Step 6: Final answer
    x = 262,543.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.