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Finding the Fourth Proportional to 463,813.76, 695,954.08 and 345,722.24

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Solution

The fourth proportional to 463,813.76, 695,954.08 and 345,722.24 is: 518,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,813.76 : 695,954.08 = 345,722.24 : x
  2. Step 2: Convert to fraction form
    463,813.76/695,954.08 = 345,722.24/x
  3. Step 3: Cross multiply
    463,813.76x = 695,954.08 × 345,722.24
  4. Step 4: Simplify right side
    463,813.76x = 240,606,803,474.74
  5. Step 5: Solve for x
    x = 240,606,803,474.74/463,813.76
  6. Step 6: Final answer
    x = 518,757.36

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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.