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Finding the Fourth Proportional to 417,750.60, 626,889.42 and 177,864.36

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Solution

The fourth proportional to 417,750.60, 626,889.42 and 177,864.36 is: 266,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,750.60 : 626,889.42 = 177,864.36 : x
  2. Step 2: Convert to fraction form
    417,750.60/626,889.42 = 177,864.36/x
  3. Step 3: Cross multiply
    417,750.60x = 626,889.42 × 177,864.36
  4. Step 4: Simplify right side
    417,750.60x = 111,501,285,479.07
  5. Step 5: Solve for x
    x = 111,501,285,479.07/417,750.60
  6. Step 6: Final answer
    x = 266,908.74

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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.