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Finding the Fourth Proportional to 367,501.80, 551,268.90 and 207,575.40

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Solution

The fourth proportional to 367,501.80, 551,268.90 and 207,575.40 is: 311,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,501.80 : 551,268.90 = 207,575.40 : x
  2. Step 2: Convert to fraction form
    367,501.80/551,268.90 = 207,575.40/x
  3. Step 3: Cross multiply
    367,501.80x = 551,268.90 × 207,575.40
  4. Step 4: Simplify right side
    367,501.80x = 114,429,862,425.06
  5. Step 5: Solve for x
    x = 114,429,862,425.06/367,501.80
  6. Step 6: Final answer
    x = 311,372.25

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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.