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Finding the Fourth Proportional to 348,218.70, 480,561.81 and 195,305.93

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Solution

The fourth proportional to 348,218.70, 480,561.81 and 195,305.93 is: 269,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,218.70 : 480,561.81 = 195,305.93 : x
  2. Step 2: Convert to fraction form
    348,218.70/480,561.81 = 195,305.93/x
  3. Step 3: Cross multiply
    348,218.70x = 480,561.81 × 195,305.93
  4. Step 4: Simplify right side
    348,218.70x = 93,856,573,693.19
  5. Step 5: Solve for x
    x = 93,856,573,693.19/348,218.70
  6. Step 6: Final answer
    x = 269,533.41

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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.