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Finding the Fourth Proportional to 668,720.02, 922,833.52 and 382,246.26

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Solution

The fourth proportional to 668,720.02, 922,833.52 and 382,246.26 is: 527,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,720.02 : 922,833.52 = 382,246.26 : x
  2. Step 2: Convert to fraction form
    668,720.02/922,833.52 = 382,246.26/x
  3. Step 3: Cross multiply
    668,720.02x = 922,833.52 × 382,246.26
  4. Step 4: Simplify right side
    668,720.02x = 352,749,661,622.64
  5. Step 5: Solve for x
    x = 352,749,661,622.64/668,720.02
  6. Step 6: Final answer
    x = 527,499.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.