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Finding the Fourth Proportional to 348,342.39, 480,674.05 and 195,349.09

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Solution

The fourth proportional to 348,342.39, 480,674.05 and 195,349.09 is: 269,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,342.39 : 480,674.05 = 195,349.09 : x
  2. Step 2: Convert to fraction form
    348,342.39/480,674.05 = 195,349.09/x
  3. Step 3: Cross multiply
    348,342.39x = 480,674.05 × 195,349.09
  4. Step 4: Simplify right side
    348,342.39x = 93,899,238,254.11
  5. Step 5: Solve for x
    x = 93,899,238,254.11/348,342.39
  6. Step 6: Final answer
    x = 269,560.18

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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.