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Finding the Fourth Proportional to 351,152.58, 484,133.04 and 223,781.70

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Solution

The fourth proportional to 351,152.58, 484,133.04 and 223,781.70 is: 308,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,152.58 : 484,133.04 = 223,781.70 : x
  2. Step 2: Convert to fraction form
    351,152.58/484,133.04 = 223,781.70/x
  3. Step 3: Cross multiply
    351,152.58x = 484,133.04 × 223,781.70
  4. Step 4: Simplify right side
    351,152.58x = 108,340,114,717.37
  5. Step 5: Solve for x
    x = 108,340,114,717.37/351,152.58
  6. Step 6: Final answer
    x = 308,527.18

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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.