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Finding the Fourth Proportional to 568,088.96, 784,246.86 and 353,298.23

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Solution

The fourth proportional to 568,088.96, 784,246.86 and 353,298.23 is: 487,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,088.96 : 784,246.86 = 353,298.23 : x
  2. Step 2: Convert to fraction form
    568,088.96/784,246.86 = 353,298.23/x
  3. Step 3: Cross multiply
    568,088.96x = 784,246.86 × 353,298.23
  4. Step 4: Simplify right side
    568,088.96x = 277,073,021,833.33
  5. Step 5: Solve for x
    x = 277,073,021,833.33/568,088.96
  6. Step 6: Final answer
    x = 487,728.23

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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.