Home / 352,482.63-486,434.25-209,243.22

Finding the Fourth Proportional to 352,482.63, 486,434.25 and 209,243.22

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Solution

The fourth proportional to 352,482.63, 486,434.25 and 209,243.22 is: 288,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,482.63 : 486,434.25 = 209,243.22 : x
  2. Step 2: Convert to fraction form
    352,482.63/486,434.25 = 209,243.22/x
  3. Step 3: Cross multiply
    352,482.63x = 486,434.25 × 209,243.22
  4. Step 4: Simplify right side
    352,482.63x = 101,783,068,788.29
  5. Step 5: Solve for x
    x = 101,783,068,788.29/352,482.63
  6. Step 6: Final answer
    x = 288,760.52

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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.