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Finding the Fourth Proportional to 348,079.57, 480,349.24 and 195,117.86

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Solution

The fourth proportional to 348,079.57, 480,349.24 and 195,117.86 is: 269,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,079.57 : 480,349.24 = 195,117.86 : x
  2. Step 2: Convert to fraction form
    348,079.57/480,349.24 = 195,117.86/x
  3. Step 3: Cross multiply
    348,079.57x = 480,349.24 × 195,117.86
  4. Step 4: Simplify right side
    348,079.57x = 93,724,716,474.50
  5. Step 5: Solve for x
    x = 93,724,716,474.50/348,079.57
  6. Step 6: Final answer
    x = 269,262.33

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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.