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Finding the Fourth Proportional to 599,011.28, 898,514.36 and 155,778

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Solution

The fourth proportional to 599,011.28, 898,514.36 and 155,778 is: 233,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,011.28 : 898,514.36 = 155,778 : x
  2. Step 2: Convert to fraction form
    599,011.28/898,514.36 = 155,778/x
  3. Step 3: Cross multiply
    599,011.28x = 898,514.36 × 155,778
  4. Step 4: Simplify right side
    599,011.28x = 139,968,769,972.08
  5. Step 5: Solve for x
    x = 139,968,769,972.08/599,011.28
  6. Step 6: Final answer
    x = 233,666.33

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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.