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Finding the Fourth Proportional to 568,342.29, 784,308.58 and 313,693.48

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Solution

The fourth proportional to 568,342.29, 784,308.58 and 313,693.48 is: 432,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,342.29 : 784,308.58 = 313,693.48 : x
  2. Step 2: Convert to fraction form
    568,342.29/784,308.58 = 313,693.48/x
  3. Step 3: Cross multiply
    568,342.29x = 784,308.58 × 313,693.48
  4. Step 4: Simplify right side
    568,342.29x = 246,032,487,854.06
  5. Step 5: Solve for x
    x = 246,032,487,854.06/568,342.29
  6. Step 6: Final answer
    x = 432,894.92

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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.