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Finding the Fourth Proportional to 1,333,782, 1,840,619.25 and 730,170

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Solution

The fourth proportional to 1,333,782, 1,840,619.25 and 730,170 is: 1,007,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,782 : 1,840,619.25 = 730,170 : x
  2. Step 2: Convert to fraction form
    1,333,782/1,840,619.25 = 730,170/x
  3. Step 3: Cross multiply
    1,333,782x = 1,840,619.25 × 730,170
  4. Step 4: Simplify right side
    1,333,782x = 1,343,964,957,772.50
  5. Step 5: Solve for x
    x = 1,343,964,957,772.50/1,333,782
  6. Step 6: Final answer
    x = 1,007,634.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.