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Finding the Fourth Proportional to 348,347.64, 480,725.01 and 195,419.73

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Solution

The fourth proportional to 348,347.64, 480,725.01 and 195,419.73 is: 269,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,347.64 : 480,725.01 = 195,419.73 : x
  2. Step 2: Convert to fraction form
    348,347.64/480,725.01 = 195,419.73/x
  3. Step 3: Cross multiply
    348,347.64x = 480,725.01 × 195,419.73
  4. Step 4: Simplify right side
    348,347.64x = 93,943,151,658.45
  5. Step 5: Solve for x
    x = 93,943,151,658.45/348,347.64
  6. Step 6: Final answer
    x = 269,682.18

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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.