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Finding the Fourth Proportional to 333,067.60, 498,726.60 and 262,500.40

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Solution

The fourth proportional to 333,067.60, 498,726.60 and 262,500.40 is: 393,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,067.60 : 498,726.60 = 262,500.40 : x
  2. Step 2: Convert to fraction form
    333,067.60/498,726.60 = 262,500.40/x
  3. Step 3: Cross multiply
    333,067.60x = 498,726.60 × 262,500.40
  4. Step 4: Simplify right side
    333,067.60x = 130,915,931,990.64
  5. Step 5: Solve for x
    x = 130,915,931,990.64/333,067.60
  6. Step 6: Final answer
    x = 393,061.14

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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.