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Finding the Fourth Proportional to 335,917.60, 503,876.40 and 303,258.40

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Solution

The fourth proportional to 335,917.60, 503,876.40 and 303,258.40 is: 454,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,917.60 : 503,876.40 = 303,258.40 : x
  2. Step 2: Convert to fraction form
    335,917.60/503,876.40 = 303,258.40/x
  3. Step 3: Cross multiply
    335,917.60x = 503,876.40 × 303,258.40
  4. Step 4: Simplify right side
    335,917.60x = 152,804,750,861.76
  5. Step 5: Solve for x
    x = 152,804,750,861.76/335,917.60
  6. Step 6: Final answer
    x = 454,887.60

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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.