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Finding the Fourth Proportional to 418,880.60, 628,320.90 and 241,733.60

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Solution

The fourth proportional to 418,880.60, 628,320.90 and 241,733.60 is: 362,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,880.60 : 628,320.90 = 241,733.60 : x
  2. Step 2: Convert to fraction form
    418,880.60/628,320.90 = 241,733.60/x
  3. Step 3: Cross multiply
    418,880.60x = 628,320.90 × 241,733.60
  4. Step 4: Simplify right side
    418,880.60x = 151,886,273,112.24
  5. Step 5: Solve for x
    x = 151,886,273,112.24/418,880.60
  6. Step 6: Final answer
    x = 362,600.40

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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.