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Finding the Fourth Proportional to 348,449.65, 480,802.22 and 205,238.21

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Solution

The fourth proportional to 348,449.65, 480,802.22 and 205,238.21 is: 283,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,449.65 : 480,802.22 = 205,238.21 : x
  2. Step 2: Convert to fraction form
    348,449.65/480,802.22 = 205,238.21/x
  3. Step 3: Cross multiply
    348,449.65x = 480,802.22 × 205,238.21
  4. Step 4: Simplify right side
    348,449.65x = 98,678,984,592.82
  5. Step 5: Solve for x
    x = 98,678,984,592.82/348,449.65
  6. Step 6: Final answer
    x = 283,194.39

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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.