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Finding the Fourth Proportional to 493,521.58, 740,282.26 and 269,070.79

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Solution

The fourth proportional to 493,521.58, 740,282.26 and 269,070.79 is: 403,606.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,521.58 : 740,282.26 = 269,070.79 : x
  2. Step 2: Convert to fraction form
    493,521.58/740,282.26 = 269,070.79/x
  3. Step 3: Cross multiply
    493,521.58x = 740,282.26 × 269,070.79
  4. Step 4: Simplify right side
    493,521.58x = 199,188,332,521.19
  5. Step 5: Solve for x
    x = 199,188,332,521.19/493,521.58
  6. Step 6: Final answer
    x = 403,606.13

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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.