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Finding the Fourth Proportional to 507,391.11, 700,174.73 and 277,949.39

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Solution

The fourth proportional to 507,391.11, 700,174.73 and 277,949.39 is: 383,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,391.11 : 700,174.73 = 277,949.39 : x
  2. Step 2: Convert to fraction form
    507,391.11/700,174.73 = 277,949.39/x
  3. Step 3: Cross multiply
    507,391.11x = 700,174.73 × 277,949.39
  4. Step 4: Simplify right side
    507,391.11x = 194,613,134,206.29
  5. Step 5: Solve for x
    x = 194,613,134,206.29/507,391.11
  6. Step 6: Final answer
    x = 383,556.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.