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Finding the Fourth Proportional to 599,783.20, 899,545.20 and 262,823.20

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Solution

The fourth proportional to 599,783.20, 899,545.20 and 262,823.20 is: 394,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,783.20 : 899,545.20 = 262,823.20 : x
  2. Step 2: Convert to fraction form
    599,783.20/899,545.20 = 262,823.20/x
  3. Step 3: Cross multiply
    599,783.20x = 899,545.20 × 262,823.20
  4. Step 4: Simplify right side
    599,783.20x = 236,421,348,008.64
  5. Step 5: Solve for x
    x = 236,421,348,008.64/599,783.20
  6. Step 6: Final answer
    x = 394,178.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.