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Finding the Fourth Proportional to 463,991.70, 695,991.66 and 183,508.98

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Solution

The fourth proportional to 463,991.70, 695,991.66 and 183,508.98 is: 275,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,991.70 : 695,991.66 = 183,508.98 : x
  2. Step 2: Convert to fraction form
    463,991.70/695,991.66 = 183,508.98/x
  3. Step 3: Cross multiply
    463,991.70x = 695,991.66 × 183,508.98
  4. Step 4: Simplify right side
    463,991.70x = 127,720,719,615.11
  5. Step 5: Solve for x
    x = 127,720,719,615.11/463,991.70
  6. Step 6: Final answer
    x = 275,265.10

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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.