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Finding the Fourth Proportional to 1,845,625.80, 2,766,470.40 and 707,948.40

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Solution

The fourth proportional to 1,845,625.80, 2,766,470.40 and 707,948.40 is: 1,061,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,625.80 : 2,766,470.40 = 707,948.40 : x
  2. Step 2: Convert to fraction form
    1,845,625.80/2,766,470.40 = 707,948.40/x
  3. Step 3: Cross multiply
    1,845,625.80x = 2,766,470.40 × 707,948.40
  4. Step 4: Simplify right side
    1,845,625.80x = 1,958,518,293,327.36
  5. Step 5: Solve for x
    x = 1,958,518,293,327.36/1,845,625.80
  6. Step 6: Final answer
    x = 1,061,167.60

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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.