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Finding the Fourth Proportional to 612,008.44, 844,560.43 and 340,071.38

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Solution

The fourth proportional to 612,008.44, 844,560.43 and 340,071.38 is: 469,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,008.44 : 844,560.43 = 340,071.38 : x
  2. Step 2: Convert to fraction form
    612,008.44/844,560.43 = 340,071.38/x
  3. Step 3: Cross multiply
    612,008.44x = 844,560.43 × 340,071.38
  4. Step 4: Simplify right side
    612,008.44x = 287,210,830,923.49
  5. Step 5: Solve for x
    x = 287,210,830,923.49/612,008.44
  6. Step 6: Final answer
    x = 469,292.27

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1.5x scale

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.