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Finding the Fourth Proportional to 606,979.76, 910,272.53 and 202,063.19

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Solution

The fourth proportional to 606,979.76, 910,272.53 and 202,063.19 is: 303,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,979.76 : 910,272.53 = 202,063.19 : x
  2. Step 2: Convert to fraction form
    606,979.76/910,272.53 = 202,063.19/x
  3. Step 3: Cross multiply
    606,979.76x = 910,272.53 × 202,063.19
  4. Step 4: Simplify right side
    606,979.76x = 183,932,565,619.49
  5. Step 5: Solve for x
    x = 183,932,565,619.49/606,979.76
  6. Step 6: Final answer
    x = 303,029.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.