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Finding the Fourth Proportional to 417,377.37, 626,090.28 and 117,832.87

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Solution

The fourth proportional to 417,377.37, 626,090.28 and 117,832.87 is: 176,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,377.37 : 626,090.28 = 117,832.87 : x
  2. Step 2: Convert to fraction form
    417,377.37/626,090.28 = 117,832.87/x
  3. Step 3: Cross multiply
    417,377.37x = 626,090.28 × 117,832.87
  4. Step 4: Simplify right side
    417,377.37x = 73,774,014,571.50
  5. Step 5: Solve for x
    x = 73,774,014,571.50/417,377.37
  6. Step 6: Final answer
    x = 176,756.14

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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.