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Finding the Fourth Proportional to 568,449.64, 784,460.64 and 313,801

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Solution

The fourth proportional to 568,449.64, 784,460.64 and 313,801 is: 433,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,449.64 : 784,460.64 = 313,801 : x
  2. Step 2: Convert to fraction form
    568,449.64/784,460.64 = 313,801/x
  3. Step 3: Cross multiply
    568,449.64x = 784,460.64 × 313,801
  4. Step 4: Simplify right side
    568,449.64x = 246,164,533,292.64
  5. Step 5: Solve for x
    x = 246,164,533,292.64/568,449.64
  6. Step 6: Final answer
    x = 433,045.46

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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.