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Finding the Fourth Proportional to 544,119.76, 817,460.32 and 513,908.40

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Solution

The fourth proportional to 544,119.76, 817,460.32 and 513,908.40 is: 772,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,119.76 : 817,460.32 = 513,908.40 : x
  2. Step 2: Convert to fraction form
    544,119.76/817,460.32 = 513,908.40/x
  3. Step 3: Cross multiply
    544,119.76x = 817,460.32 × 513,908.40
  4. Step 4: Simplify right side
    544,119.76x = 420,099,725,114.69
  5. Step 5: Solve for x
    x = 420,099,725,114.69/544,119.76
  6. Step 6: Final answer
    x = 772,072.17

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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.