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Finding the Fourth Proportional to 489,743.60, 733,837.80 and 363,772.40

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Solution

The fourth proportional to 489,743.60, 733,837.80 and 363,772.40 is: 545,081.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,743.60 : 733,837.80 = 363,772.40 : x
  2. Step 2: Convert to fraction form
    489,743.60/733,837.80 = 363,772.40/x
  3. Step 3: Cross multiply
    489,743.60x = 733,837.80 × 363,772.40
  4. Step 4: Simplify right side
    489,743.60x = 266,949,937,716.72
  5. Step 5: Solve for x
    x = 266,949,937,716.72/489,743.60
  6. Step 6: Final answer
    x = 545,081.01

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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.