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Finding the Fourth Proportional to 317,956.61, 438,775.05 and 174,713.57

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Solution

The fourth proportional to 317,956.61, 438,775.05 and 174,713.57 is: 241,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,956.61 : 438,775.05 = 174,713.57 : x
  2. Step 2: Convert to fraction form
    317,956.61/438,775.05 = 174,713.57/x
  3. Step 3: Cross multiply
    317,956.61x = 438,775.05 × 174,713.57
  4. Step 4: Simplify right side
    317,956.61x = 76,659,956,509.37
  5. Step 5: Solve for x
    x = 76,659,956,509.37/317,956.61
  6. Step 6: Final answer
    x = 241,101.95

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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.