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Finding the Fourth Proportional to 591,816.80, 887,725.20 and 260,040.80

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Solution

The fourth proportional to 591,816.80, 887,725.20 and 260,040.80 is: 390,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,816.80 : 887,725.20 = 260,040.80 : x
  2. Step 2: Convert to fraction form
    591,816.80/887,725.20 = 260,040.80/x
  3. Step 3: Cross multiply
    591,816.80x = 887,725.20 × 260,040.80
  4. Step 4: Simplify right side
    591,816.80x = 230,844,771,188.16
  5. Step 5: Solve for x
    x = 230,844,771,188.16/591,816.80
  6. Step 6: Final answer
    x = 390,061.20

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Similar ratio
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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.