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Finding the Fourth Proportional to 497,628.93, 746,445.31 and 151,415.79

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Solution

The fourth proportional to 497,628.93, 746,445.31 and 151,415.79 is: 227,124.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,628.93 : 746,445.31 = 151,415.79 : x
  2. Step 2: Convert to fraction form
    497,628.93/746,445.31 = 151,415.79/x
  3. Step 3: Cross multiply
    497,628.93x = 746,445.31 × 151,415.79
  4. Step 4: Simplify right side
    497,628.93x = 113,023,606,305.45
  5. Step 5: Solve for x
    x = 113,023,606,305.45/497,628.93
  6. Step 6: Final answer
    x = 227,124.27

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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.