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Finding the Fourth Proportional to 439,874.40, 594,297 and 439,874.40

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Solution

The fourth proportional to 439,874.40, 594,297 and 439,874.40 is: 594,297

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,874.40 : 594,297 = 439,874.40 : x
  2. Step 2: Convert to fraction form
    439,874.40/594,297 = 439,874.40/x
  3. Step 3: Cross multiply
    439,874.40x = 594,297 × 439,874.40
  4. Step 4: Simplify right side
    439,874.40x = 261,416,036,296.80
  5. Step 5: Solve for x
    x = 261,416,036,296.80/439,874.40
  6. Step 6: Final answer
    x = 594,297

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.