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Finding the Fourth Proportional to 568,100.08, 784,025 and 326,429.32

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Solution

The fourth proportional to 568,100.08, 784,025 and 326,429.32 is: 450,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,100.08 : 784,025 = 326,429.32 : x
  2. Step 2: Convert to fraction form
    568,100.08/784,025 = 326,429.32/x
  3. Step 3: Cross multiply
    568,100.08x = 784,025 × 326,429.32
  4. Step 4: Simplify right side
    568,100.08x = 255,928,747,613
  5. Step 5: Solve for x
    x = 255,928,747,613/568,100.08
  6. Step 6: Final answer
    x = 450,499.40

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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.