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Finding the Fourth Proportional to 539,184.60, 744,067.68 and 297,477.36

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Solution

The fourth proportional to 539,184.60, 744,067.68 and 297,477.36 is: 410,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,184.60 : 744,067.68 = 297,477.36 : x
  2. Step 2: Convert to fraction form
    539,184.60/744,067.68 = 297,477.36/x
  3. Step 3: Cross multiply
    539,184.60x = 744,067.68 × 297,477.36
  4. Step 4: Simplify right side
    539,184.60x = 221,343,289,107.73
  5. Step 5: Solve for x
    x = 221,343,289,107.73/539,184.60
  6. Step 6: Final answer
    x = 410,514.86

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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.