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Finding the Fourth Proportional to 568,602.15, 784,342.04 and 367,398.15

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Solution

The fourth proportional to 568,602.15, 784,342.04 and 367,398.15 is: 506,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,602.15 : 784,342.04 = 367,398.15 : x
  2. Step 2: Convert to fraction form
    568,602.15/784,342.04 = 367,398.15/x
  3. Step 3: Cross multiply
    568,602.15x = 784,342.04 × 367,398.15
  4. Step 4: Simplify right side
    568,602.15x = 288,165,812,043.12
  5. Step 5: Solve for x
    x = 288,165,812,043.12/568,602.15
  6. Step 6: Final answer
    x = 506,796.91

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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.