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Finding the Fourth Proportional to 551,875.40, 825,844.80 and 382,601.60

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Solution

The fourth proportional to 551,875.40, 825,844.80 and 382,601.60 is: 572,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,875.40 : 825,844.80 = 382,601.60 : x
  2. Step 2: Convert to fraction form
    551,875.40/825,844.80 = 382,601.60/x
  3. Step 3: Cross multiply
    551,875.40x = 825,844.80 × 382,601.60
  4. Step 4: Simplify right side
    551,875.40x = 315,969,541,831.68
  5. Step 5: Solve for x
    x = 315,969,541,831.68/551,875.40
  6. Step 6: Final answer
    x = 572,537.83

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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.