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Finding the Fourth Proportional to 568,533.04, 784,576.76 and 313,884.72

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Solution

The fourth proportional to 568,533.04, 784,576.76 and 313,884.72 is: 433,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,533.04 : 784,576.76 = 313,884.72 : x
  2. Step 2: Convert to fraction form
    568,533.04/784,576.76 = 313,884.72/x
  3. Step 3: Cross multiply
    568,533.04x = 784,576.76 × 313,884.72
  4. Step 4: Simplify right side
    568,533.04x = 246,266,656,631.11
  5. Step 5: Solve for x
    x = 246,266,656,631.11/568,533.04
  6. Step 6: Final answer
    x = 433,161.56

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Double scale
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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.