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Finding the Fourth Proportional to 568,317.60, 784,276.72 and 313,667.04

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Solution

The fourth proportional to 568,317.60, 784,276.72 and 313,667.04 is: 432,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,317.60 : 784,276.72 = 313,667.04 : x
  2. Step 2: Convert to fraction form
    568,317.60/784,276.72 = 313,667.04/x
  3. Step 3: Cross multiply
    568,317.60x = 784,276.72 × 313,667.04
  4. Step 4: Simplify right side
    568,317.60x = 246,001,757,303.31
  5. Step 5: Solve for x
    x = 246,001,757,303.31/568,317.60
  6. Step 6: Final answer
    x = 432,859.65

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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.