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Finding the Fourth Proportional to 544,756.74, 817,084.98 and 145,383.18

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Solution

The fourth proportional to 544,756.74, 817,084.98 and 145,383.18 is: 218,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,756.74 : 817,084.98 = 145,383.18 : x
  2. Step 2: Convert to fraction form
    544,756.74/817,084.98 = 145,383.18/x
  3. Step 3: Cross multiply
    544,756.74x = 817,084.98 × 145,383.18
  4. Step 4: Simplify right side
    544,756.74x = 118,790,412,722.64
  5. Step 5: Solve for x
    x = 118,790,412,722.64/544,756.74
  6. Step 6: Final answer
    x = 218,061.39

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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.