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Finding the Fourth Proportional to 335,341.44, 503,015.81 and 98,688.60

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Solution

The fourth proportional to 335,341.44, 503,015.81 and 98,688.60 is: 148,033.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,341.44 : 503,015.81 = 98,688.60 : x
  2. Step 2: Convert to fraction form
    335,341.44/503,015.81 = 98,688.60/x
  3. Step 3: Cross multiply
    335,341.44x = 503,015.81 × 98,688.60
  4. Step 4: Simplify right side
    335,341.44x = 49,641,925,573.32
  5. Step 5: Solve for x
    x = 49,641,925,573.32/335,341.44
  6. Step 6: Final answer
    x = 148,033.97

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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.