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Finding the Fourth Proportional to 439,794.36, 606,907.08 and 238,590.36

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Solution

The fourth proportional to 439,794.36, 606,907.08 and 238,590.36 is: 329,249.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,794.36 : 606,907.08 = 238,590.36 : x
  2. Step 2: Convert to fraction form
    439,794.36/606,907.08 = 238,590.36/x
  3. Step 3: Cross multiply
    439,794.36x = 606,907.08 × 238,590.36
  4. Step 4: Simplify right side
    439,794.36x = 144,802,178,703.75
  5. Step 5: Solve for x
    x = 144,802,178,703.75/439,794.36
  6. Step 6: Final answer
    x = 329,249.74

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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.