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Finding the Fourth Proportional to 338,045.20, 507,067.80 and 335,712.40

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Solution

The fourth proportional to 338,045.20, 507,067.80 and 335,712.40 is: 503,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,045.20 : 507,067.80 = 335,712.40 : x
  2. Step 2: Convert to fraction form
    338,045.20/507,067.80 = 335,712.40/x
  3. Step 3: Cross multiply
    338,045.20x = 507,067.80 × 335,712.40
  4. Step 4: Simplify right side
    338,045.20x = 170,228,948,100.72
  5. Step 5: Solve for x
    x = 170,228,948,100.72/338,045.20
  6. Step 6: Final answer
    x = 503,568.60

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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.