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Finding the Fourth Proportional to 367,597.20, 551,395.80 and 293,869.20

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Solution

The fourth proportional to 367,597.20, 551,395.80 and 293,869.20 is: 440,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,597.20 : 551,395.80 = 293,869.20 : x
  2. Step 2: Convert to fraction form
    367,597.20/551,395.80 = 293,869.20/x
  3. Step 3: Cross multiply
    367,597.20x = 551,395.80 × 293,869.20
  4. Step 4: Simplify right side
    367,597.20x = 162,038,242,629.36
  5. Step 5: Solve for x
    x = 162,038,242,629.36/367,597.20
  6. Step 6: Final answer
    x = 440,803.80

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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.