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Finding the Fourth Proportional to 344,479.04, 516,810.72 and 311,577.92

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Solution

The fourth proportional to 344,479.04, 516,810.72 and 311,577.92 is: 467,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,479.04 : 516,810.72 = 311,577.92 : x
  2. Step 2: Convert to fraction form
    344,479.04/516,810.72 = 311,577.92/x
  3. Step 3: Cross multiply
    344,479.04x = 516,810.72 × 311,577.92
  4. Step 4: Simplify right side
    344,479.04x = 161,026,809,171.30
  5. Step 5: Solve for x
    x = 161,026,809,171.30/344,479.04
  6. Step 6: Final answer
    x = 467,450.24

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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.