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Finding the Fourth Proportional to 943,987.60, 1,413,648.60 and 626,726.80

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Solution

The fourth proportional to 943,987.60, 1,413,648.60 and 626,726.80 is: 938,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,987.60 : 1,413,648.60 = 626,726.80 : x
  2. Step 2: Convert to fraction form
    943,987.60/1,413,648.60 = 626,726.80/x
  3. Step 3: Cross multiply
    943,987.60x = 1,413,648.60 × 626,726.80
  4. Step 4: Simplify right side
    943,987.60x = 885,971,463,402.48
  5. Step 5: Solve for x
    x = 885,971,463,402.48/943,987.60
  6. Step 6: Final answer
    x = 938,541.42

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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.