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Finding the Fourth Proportional to 371,385.33, 556,169.46 and 335,442.54

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Solution

The fourth proportional to 371,385.33, 556,169.46 and 335,442.54 is: 502,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,385.33 : 556,169.46 = 335,442.54 : x
  2. Step 2: Convert to fraction form
    371,385.33/556,169.46 = 335,442.54/x
  3. Step 3: Cross multiply
    371,385.33x = 556,169.46 × 335,442.54
  4. Step 4: Simplify right side
    371,385.33x = 186,562,898,426.62
  5. Step 5: Solve for x
    x = 186,562,898,426.62/371,385.33
  6. Step 6: Final answer
    x = 502,343.21

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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.