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Finding the Fourth Proportional to 348,007.57, 480,241.79 and 202,803.93

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Solution

The fourth proportional to 348,007.57, 480,241.79 and 202,803.93 is: 279,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,007.57 : 480,241.79 = 202,803.93 : x
  2. Step 2: Convert to fraction form
    348,007.57/480,241.79 = 202,803.93/x
  3. Step 3: Cross multiply
    348,007.57x = 480,241.79 × 202,803.93
  4. Step 4: Simplify right side
    348,007.57x = 97,394,921,471.03
  5. Step 5: Solve for x
    x = 97,394,921,471.03/348,007.57
  6. Step 6: Final answer
    x = 279,864.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.