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Finding the Fourth Proportional to 891,549.95, 1,230,016.05 and 585,791.01

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Solution

The fourth proportional to 891,549.95, 1,230,016.05 and 585,791.01 is: 808,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,549.95 : 1,230,016.05 = 585,791.01 : x
  2. Step 2: Convert to fraction form
    891,549.95/1,230,016.05 = 585,791.01/x
  3. Step 3: Cross multiply
    891,549.95x = 1,230,016.05 × 585,791.01
  4. Step 4: Simplify right side
    891,549.95x = 720,532,344,245.71
  5. Step 5: Solve for x
    x = 720,532,344,245.71/891,549.95
  6. Step 6: Final answer
    x = 808,179.45

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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.