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Finding the Fourth Proportional to 348,327.78, 480,686.07 and 195,366.27

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Solution

The fourth proportional to 348,327.78, 480,686.07 and 195,366.27 is: 269,601.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,327.78 : 480,686.07 = 195,366.27 : x
  2. Step 2: Convert to fraction form
    348,327.78/480,686.07 = 195,366.27/x
  3. Step 3: Cross multiply
    348,327.78x = 480,686.07 × 195,366.27
  4. Step 4: Simplify right side
    348,327.78x = 93,909,841,156.60
  5. Step 5: Solve for x
    x = 93,909,841,156.60/348,327.78
  6. Step 6: Final answer
    x = 269,601.93

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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.