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Finding the Fourth Proportional to 348,469.95, 480,917.52 and 193,435.83

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Solution

The fourth proportional to 348,469.95, 480,917.52 and 193,435.83 is: 266,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,469.95 : 480,917.52 = 193,435.83 : x
  2. Step 2: Convert to fraction form
    348,469.95/480,917.52 = 193,435.83/x
  3. Step 3: Cross multiply
    348,469.95x = 480,917.52 × 193,435.83
  4. Step 4: Simplify right side
    348,469.95x = 93,026,679,642.74
  5. Step 5: Solve for x
    x = 93,026,679,642.74/348,469.95
  6. Step 6: Final answer
    x = 266,957.54

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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.