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Finding the Fourth Proportional to 475,581.81, 713,662.56 and 191,219.04

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Solution

The fourth proportional to 475,581.81, 713,662.56 and 191,219.04 is: 286,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,581.81 : 713,662.56 = 191,219.04 : x
  2. Step 2: Convert to fraction form
    475,581.81/713,662.56 = 191,219.04/x
  3. Step 3: Cross multiply
    475,581.81x = 713,662.56 × 191,219.04
  4. Step 4: Simplify right side
    475,581.81x = 136,465,869,607.14
  5. Step 5: Solve for x
    x = 136,465,869,607.14/475,581.81
  6. Step 6: Final answer
    x = 286,945.10

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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.