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Finding the Fourth Proportional to 544,881.17, 751,924.24 and 315,448.18

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Solution

The fourth proportional to 544,881.17, 751,924.24 and 315,448.18 is: 435,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,881.17 : 751,924.24 = 315,448.18 : x
  2. Step 2: Convert to fraction form
    544,881.17/751,924.24 = 315,448.18/x
  3. Step 3: Cross multiply
    544,881.17x = 751,924.24 × 315,448.18
  4. Step 4: Simplify right side
    544,881.17x = 237,193,133,005.88
  5. Step 5: Solve for x
    x = 237,193,133,005.88/544,881.17
  6. Step 6: Final answer
    x = 435,311.67

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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.