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Finding the Fourth Proportional to 606,357.23, 909,538.54 and 157,046.18

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Solution

The fourth proportional to 606,357.23, 909,538.54 and 157,046.18 is: 235,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,357.23 : 909,538.54 = 157,046.18 : x
  2. Step 2: Convert to fraction form
    606,357.23/909,538.54 = 157,046.18/x
  3. Step 3: Cross multiply
    606,357.23x = 909,538.54 × 157,046.18
  4. Step 4: Simplify right side
    606,357.23x = 142,839,548,329.47
  5. Step 5: Solve for x
    x = 142,839,548,329.47/606,357.23
  6. Step 6: Final answer
    x = 235,569.96

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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.