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Finding the Fourth Proportional to 662,925.60, 914,837.04 and 361,119.60

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Solution

The fourth proportional to 662,925.60, 914,837.04 and 361,119.60 is: 498,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,925.60 : 914,837.04 = 361,119.60 : x
  2. Step 2: Convert to fraction form
    662,925.60/914,837.04 = 361,119.60/x
  3. Step 3: Cross multiply
    662,925.60x = 914,837.04 × 361,119.60
  4. Step 4: Simplify right side
    662,925.60x = 330,365,585,949.98
  5. Step 5: Solve for x
    x = 330,365,585,949.98/662,925.60
  6. Step 6: Final answer
    x = 498,344.89

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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.