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Finding the Fourth Proportional to 417,444.33, 626,192.55 and 117,947.91

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Solution

The fourth proportional to 417,444.33, 626,192.55 and 117,947.91 is: 176,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,444.33 : 626,192.55 = 117,947.91 : x
  2. Step 2: Convert to fraction form
    417,444.33/626,192.55 = 117,947.91/x
  3. Step 3: Cross multiply
    417,444.33x = 626,192.55 × 117,947.91
  4. Step 4: Simplify right side
    417,444.33x = 73,858,102,530.07
  5. Step 5: Solve for x
    x = 73,858,102,530.07/417,444.33
  6. Step 6: Final answer
    x = 176,929.23

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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.