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Finding the Fourth Proportional to 367,565.40, 551,477.70 and 354,605.40

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Solution

The fourth proportional to 367,565.40, 551,477.70 and 354,605.40 is: 532,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,565.40 : 551,477.70 = 354,605.40 : x
  2. Step 2: Convert to fraction form
    367,565.40/551,477.70 = 354,605.40/x
  3. Step 3: Cross multiply
    367,565.40x = 551,477.70 × 354,605.40
  4. Step 4: Simplify right side
    367,565.40x = 195,556,970,399.58
  5. Step 5: Solve for x
    x = 195,556,970,399.58/367,565.40
  6. Step 6: Final answer
    x = 532,033.13

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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.