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Finding the Fourth Proportional to 568,088.10, 784,046.52 and 364,368.78

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Solution

The fourth proportional to 568,088.10, 784,046.52 and 364,368.78 is: 502,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,088.10 : 784,046.52 = 364,368.78 : x
  2. Step 2: Convert to fraction form
    568,088.10/784,046.52 = 364,368.78/x
  3. Step 3: Cross multiply
    568,088.10x = 784,046.52 × 364,368.78
  4. Step 4: Simplify right side
    568,088.10x = 285,682,073,955.65
  5. Step 5: Solve for x
    x = 285,682,073,955.65/568,088.10
  6. Step 6: Final answer
    x = 502,883.40

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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.