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Finding the Fourth Proportional to 531,940.94, 797,430.61 and 361,219.62

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Solution

The fourth proportional to 531,940.94, 797,430.61 and 361,219.62 is: 541,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,940.94 : 797,430.61 = 361,219.62 : x
  2. Step 2: Convert to fraction form
    531,940.94/797,430.61 = 361,219.62/x
  3. Step 3: Cross multiply
    531,940.94x = 797,430.61 × 361,219.62
  4. Step 4: Simplify right side
    531,940.94x = 288,047,577,030.37
  5. Step 5: Solve for x
    x = 288,047,577,030.37/531,940.94
  6. Step 6: Final answer
    x = 541,502.93

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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.