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Finding the Fourth Proportional to 1,773,647.40, 2,660,471.10 and 1,675,669.80

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Solution

The fourth proportional to 1,773,647.40, 2,660,471.10 and 1,675,669.80 is: 2,513,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,647.40 : 2,660,471.10 = 1,675,669.80 : x
  2. Step 2: Convert to fraction form
    1,773,647.40/2,660,471.10 = 1,675,669.80/x
  3. Step 3: Cross multiply
    1,773,647.40x = 2,660,471.10 × 1,675,669.80
  4. Step 4: Simplify right side
    1,773,647.40x = 4,458,071,076,042.78
  5. Step 5: Solve for x
    x = 4,458,071,076,042.78/1,773,647.40
  6. Step 6: Final answer
    x = 2,513,504.70

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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.