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Finding the Fourth Proportional to 295,460.40, 442,672.20 and 242,583.60

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Solution

The fourth proportional to 295,460.40, 442,672.20 and 242,583.60 is: 363,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,460.40 : 442,672.20 = 242,583.60 : x
  2. Step 2: Convert to fraction form
    295,460.40/442,672.20 = 242,583.60/x
  3. Step 3: Cross multiply
    295,460.40x = 442,672.20 × 242,583.60
  4. Step 4: Simplify right side
    295,460.40x = 107,385,015,895.92
  5. Step 5: Solve for x
    x = 107,385,015,895.92/295,460.40
  6. Step 6: Final answer
    x = 363,449.77

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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.