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Finding the Fourth Proportional to 599,328.78, 898,986.97 and 346,448.34

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Solution

The fourth proportional to 599,328.78, 898,986.97 and 346,448.34 is: 519,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,328.78 : 898,986.97 = 346,448.34 : x
  2. Step 2: Convert to fraction form
    599,328.78/898,986.97 = 346,448.34/x
  3. Step 3: Cross multiply
    599,328.78x = 898,986.97 × 346,448.34
  4. Step 4: Simplify right side
    599,328.78x = 311,452,543,438.13
  5. Step 5: Solve for x
    x = 311,452,543,438.13/599,328.78
  6. Step 6: Final answer
    x = 519,668.93

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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.