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Finding the Fourth Proportional to 568,412.54, 784,409.47 and 313,763.73

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Solution

The fourth proportional to 568,412.54, 784,409.47 and 313,763.73 is: 432,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,412.54 : 784,409.47 = 313,763.73 : x
  2. Step 2: Convert to fraction form
    568,412.54/784,409.47 = 313,763.73/x
  3. Step 3: Cross multiply
    568,412.54x = 784,409.47 × 313,763.73
  4. Step 4: Simplify right side
    568,412.54x = 246,119,237,428.58
  5. Step 5: Solve for x
    x = 246,119,237,428.58/568,412.54
  6. Step 6: Final answer
    x = 432,994.03

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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.