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Finding the Fourth Proportional to 338,994.02, 467,762.64 and 218,298.90

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Solution

The fourth proportional to 338,994.02, 467,762.64 and 218,298.90 is: 301,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,994.02 : 467,762.64 = 218,298.90 : x
  2. Step 2: Convert to fraction form
    338,994.02/467,762.64 = 218,298.90/x
  3. Step 3: Cross multiply
    338,994.02x = 467,762.64 × 218,298.90
  4. Step 4: Simplify right side
    338,994.02x = 102,112,069,773.10
  5. Step 5: Solve for x
    x = 102,112,069,773.10/338,994.02
  6. Step 6: Final answer
    x = 301,220.86

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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.