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Finding the Fourth Proportional to 540,460.64, 745,733.04 and 339,165.92

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Solution

The fourth proportional to 540,460.64, 745,733.04 and 339,165.92 is: 467,984.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,460.64 : 745,733.04 = 339,165.92 : x
  2. Step 2: Convert to fraction form
    540,460.64/745,733.04 = 339,165.92/x
  3. Step 3: Cross multiply
    540,460.64x = 745,733.04 × 339,165.92
  4. Step 4: Simplify right side
    540,460.64x = 252,927,232,586.00
  5. Step 5: Solve for x
    x = 252,927,232,586.00/540,460.64
  6. Step 6: Final answer
    x = 467,984.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.