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Finding the Fourth Proportional to 568,117.62, 784,001.76 and 313,468.82

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Solution

The fourth proportional to 568,117.62, 784,001.76 and 313,468.82 is: 432,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,117.62 : 784,001.76 = 313,468.82 : x
  2. Step 2: Convert to fraction form
    568,117.62/784,001.76 = 313,468.82/x
  3. Step 3: Cross multiply
    568,117.62x = 784,001.76 × 313,468.82
  4. Step 4: Simplify right side
    568,117.62x = 245,760,106,585.12
  5. Step 5: Solve for x
    x = 245,760,106,585.12/568,117.62
  6. Step 6: Final answer
    x = 432,586.67

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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.