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Finding the Fourth Proportional to 347,998.89, 480,272.18 and 195,063.06

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Solution

The fourth proportional to 347,998.89, 480,272.18 and 195,063.06 is: 269,205.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,998.89 : 480,272.18 = 195,063.06 : x
  2. Step 2: Convert to fraction form
    347,998.89/480,272.18 = 195,063.06/x
  3. Step 3: Cross multiply
    347,998.89x = 480,272.18 × 195,063.06
  4. Step 4: Simplify right side
    347,998.89x = 93,683,360,088.36
  5. Step 5: Solve for x
    x = 93,683,360,088.36/347,998.89
  6. Step 6: Final answer
    x = 269,205.92

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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.