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Finding the Fourth Proportional to 568,483.81, 784,487.10 and 313,829.53

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Solution

The fourth proportional to 568,483.81, 784,487.10 and 313,829.53 is: 433,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,483.81 : 784,487.10 = 313,829.53 : x
  2. Step 2: Convert to fraction form
    568,483.81/784,487.10 = 313,829.53/x
  3. Step 3: Cross multiply
    568,483.81x = 784,487.10 × 313,829.53
  4. Step 4: Simplify right side
    568,483.81x = 246,195,217,884.06
  5. Step 5: Solve for x
    x = 246,195,217,884.06/568,483.81
  6. Step 6: Final answer
    x = 433,073.40

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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.