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Finding the Fourth Proportional to 544,489.12, 751,395.60 and 302,766.50

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Solution

The fourth proportional to 544,489.12, 751,395.60 and 302,766.50 is: 417,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,489.12 : 751,395.60 = 302,766.50 : x
  2. Step 2: Convert to fraction form
    544,489.12/751,395.60 = 302,766.50/x
  3. Step 3: Cross multiply
    544,489.12x = 751,395.60 × 302,766.50
  4. Step 4: Simplify right side
    544,489.12x = 227,497,415,927.40
  5. Step 5: Solve for x
    x = 227,497,415,927.40/544,489.12
  6. Step 6: Final answer
    x = 417,818.11

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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.