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Finding the Fourth Proportional to 348,991.52, 523,570.80 and 112,356.32

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Solution

The fourth proportional to 348,991.52, 523,570.80 and 112,356.32 is: 168,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,991.52 : 523,570.80 = 112,356.32 : x
  2. Step 2: Convert to fraction form
    348,991.52/523,570.80 = 112,356.32/x
  3. Step 3: Cross multiply
    348,991.52x = 523,570.80 × 112,356.32
  4. Step 4: Simplify right side
    348,991.52x = 58,826,488,347.46
  5. Step 5: Solve for x
    x = 58,826,488,347.46/348,991.52
  6. Step 6: Final answer
    x = 168,561.37

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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.