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Finding the Fourth Proportional to 607,632.26, 911,645.22 and 292,113.77

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Solution

The fourth proportional to 607,632.26, 911,645.22 and 292,113.77 is: 438,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,632.26 : 911,645.22 = 292,113.77 : x
  2. Step 2: Convert to fraction form
    607,632.26/911,645.22 = 292,113.77/x
  3. Step 3: Cross multiply
    607,632.26x = 911,645.22 × 292,113.77
  4. Step 4: Simplify right side
    607,632.26x = 266,304,122,116.68
  5. Step 5: Solve for x
    x = 266,304,122,116.68/607,632.26
  6. Step 6: Final answer
    x = 438,265.28

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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.