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Finding the Fourth Proportional to 404,295.60, 606,358.35 and 204,428.10

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Solution

The fourth proportional to 404,295.60, 606,358.35 and 204,428.10 is: 306,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,295.60 : 606,358.35 = 204,428.10 : x
  2. Step 2: Convert to fraction form
    404,295.60/606,358.35 = 204,428.10/x
  3. Step 3: Cross multiply
    404,295.60x = 606,358.35 × 204,428.10
  4. Step 4: Simplify right side
    404,295.60x = 123,956,685,409.64
  5. Step 5: Solve for x
    x = 123,956,685,409.64/404,295.60
  6. Step 6: Final answer
    x = 306,599.15

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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.