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Finding the Fourth Proportional to 493,465.67, 740,087.79 and 226,970.20

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Solution

The fourth proportional to 493,465.67, 740,087.79 and 226,970.20 is: 340,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,465.67 : 740,087.79 = 226,970.20 : x
  2. Step 2: Convert to fraction form
    493,465.67/740,087.79 = 226,970.20/x
  3. Step 3: Cross multiply
    493,465.67x = 740,087.79 × 226,970.20
  4. Step 4: Simplify right side
    493,465.67x = 167,977,873,787.83
  5. Step 5: Solve for x
    x = 167,977,873,787.83/493,465.67
  6. Step 6: Final answer
    x = 340,404.38

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1.5x scale

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.