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Finding the Fourth Proportional to 544,764.69, 817,144.30 and 139,956.46

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Solution

The fourth proportional to 544,764.69, 817,144.30 and 139,956.46 is: 209,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,764.69 : 817,144.30 = 139,956.46 : x
  2. Step 2: Convert to fraction form
    544,764.69/817,144.30 = 139,956.46/x
  3. Step 3: Cross multiply
    544,764.69x = 817,144.30 × 139,956.46
  4. Step 4: Simplify right side
    544,764.69x = 114,364,621,669.26
  5. Step 5: Solve for x
    x = 114,364,621,669.26/544,764.69
  6. Step 6: Final answer
    x = 209,933.98

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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.