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Finding the Fourth Proportional to 442,627.93, 664,606.10 and 253,302.07

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Solution

The fourth proportional to 442,627.93, 664,606.10 and 253,302.07 is: 380,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,627.93 : 664,606.10 = 253,302.07 : x
  2. Step 2: Convert to fraction form
    442,627.93/664,606.10 = 253,302.07/x
  3. Step 3: Cross multiply
    442,627.93x = 664,606.10 × 253,302.07
  4. Step 4: Simplify right side
    442,627.93x = 168,346,100,864.63
  5. Step 5: Solve for x
    x = 168,346,100,864.63/442,627.93
  6. Step 6: Final answer
    x = 380,333.21

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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.