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Finding the Fourth Proportional to 367,736.40, 551,212.20 and 209,624.40

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Solution

The fourth proportional to 367,736.40, 551,212.20 and 209,624.40 is: 314,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,736.40 : 551,212.20 = 209,624.40 : x
  2. Step 2: Convert to fraction form
    367,736.40/551,212.20 = 209,624.40/x
  3. Step 3: Cross multiply
    367,736.40x = 551,212.20 × 209,624.40
  4. Step 4: Simplify right side
    367,736.40x = 115,547,526,697.68
  5. Step 5: Solve for x
    x = 115,547,526,697.68/367,736.40
  6. Step 6: Final answer
    x = 314,212.92

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1.5x scale

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.