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Finding the Fourth Proportional to 348,409.98, 480,776.94 and 195,426.90

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Solution

The fourth proportional to 348,409.98, 480,776.94 and 195,426.90 is: 269,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,409.98 : 480,776.94 = 195,426.90 : x
  2. Step 2: Convert to fraction form
    348,409.98/480,776.94 = 195,426.90/x
  3. Step 3: Cross multiply
    348,409.98x = 480,776.94 × 195,426.90
  4. Step 4: Simplify right side
    348,409.98x = 93,956,746,975.69
  5. Step 5: Solve for x
    x = 93,956,746,975.69/348,409.98
  6. Step 6: Final answer
    x = 269,672.95

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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.