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Finding the Fourth Proportional to 568,247.37, 784,315.40 and 326,669.93

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Solution

The fourth proportional to 568,247.37, 784,315.40 and 326,669.93 is: 450,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,247.37 : 784,315.40 = 326,669.93 : x
  2. Step 2: Convert to fraction form
    568,247.37/784,315.40 = 326,669.93/x
  3. Step 3: Cross multiply
    568,247.37x = 784,315.40 × 326,669.93
  4. Step 4: Simplify right side
    568,247.37x = 256,212,251,261.00
  5. Step 5: Solve for x
    x = 256,212,251,261.00/568,247.37
  6. Step 6: Final answer
    x = 450,881.54

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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.