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Finding the Fourth Proportional to 348,036.68, 480,280.74 and 204,763.88

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Solution

The fourth proportional to 348,036.68, 480,280.74 and 204,763.88 is: 282,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,036.68 : 480,280.74 = 204,763.88 : x
  2. Step 2: Convert to fraction form
    348,036.68/480,280.74 = 204,763.88/x
  3. Step 3: Cross multiply
    348,036.68x = 480,280.74 × 204,763.88
  4. Step 4: Simplify right side
    348,036.68x = 98,344,147,811.67
  5. Step 5: Solve for x
    x = 98,344,147,811.67/348,036.68
  6. Step 6: Final answer
    x = 282,568.34

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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.