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Finding the Fourth Proportional to 317,996.94, 438,826.64 and 174,756.81

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Solution

The fourth proportional to 317,996.94, 438,826.64 and 174,756.81 is: 241,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,996.94 : 438,826.64 = 174,756.81 : x
  2. Step 2: Convert to fraction form
    317,996.94/438,826.64 = 174,756.81/x
  3. Step 3: Cross multiply
    317,996.94x = 438,826.64 × 174,756.81
  4. Step 4: Simplify right side
    317,996.94x = 76,687,942,875.63
  5. Step 5: Solve for x
    x = 76,687,942,875.63/317,996.94
  6. Step 6: Final answer
    x = 241,159.37

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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.