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Finding the Fourth Proportional to 568,155.02, 784,031.01 and 313,502.90

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Solution

The fourth proportional to 568,155.02, 784,031.01 and 313,502.90 is: 432,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,155.02 : 784,031.01 = 313,502.90 : x
  2. Step 2: Convert to fraction form
    568,155.02/784,031.01 = 313,502.90/x
  3. Step 3: Cross multiply
    568,155.02x = 784,031.01 × 313,502.90
  4. Step 4: Simplify right side
    568,155.02x = 245,795,995,324.93
  5. Step 5: Solve for x
    x = 245,795,995,324.93/568,155.02
  6. Step 6: Final answer
    x = 432,621.36

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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.