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Finding the Fourth Proportional to 602,994.84, 832,128.60 and 331,067.28

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Solution

The fourth proportional to 602,994.84, 832,128.60 and 331,067.28 is: 456,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,994.84 : 832,128.60 = 331,067.28 : x
  2. Step 2: Convert to fraction form
    602,994.84/832,128.60 = 331,067.28/x
  3. Step 3: Cross multiply
    602,994.84x = 832,128.60 × 331,067.28
  4. Step 4: Simplify right side
    602,994.84x = 275,490,552,212.21
  5. Step 5: Solve for x
    x = 275,490,552,212.21/602,994.84
  6. Step 6: Final answer
    x = 456,870.50

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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.