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Finding the Fourth Proportional to 475,767.82, 713,680.56 and 191,457.28

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Solution

The fourth proportional to 475,767.82, 713,680.56 and 191,457.28 is: 287,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,767.82 : 713,680.56 = 191,457.28 : x
  2. Step 2: Convert to fraction form
    475,767.82/713,680.56 = 191,457.28/x
  3. Step 3: Cross multiply
    475,767.82x = 713,680.56 × 191,457.28
  4. Step 4: Simplify right side
    475,767.82x = 136,639,338,806.48
  5. Step 5: Solve for x
    x = 136,639,338,806.48/475,767.82
  6. Step 6: Final answer
    x = 287,197.52

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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.