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Finding the Fourth Proportional to 554,933.31, 832,400.37 and 134,209.59

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Solution

The fourth proportional to 554,933.31, 832,400.37 and 134,209.59 is: 201,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,933.31 : 832,400.37 = 134,209.59 : x
  2. Step 2: Convert to fraction form
    554,933.31/832,400.37 = 134,209.59/x
  3. Step 3: Cross multiply
    554,933.31x = 832,400.37 × 134,209.59
  4. Step 4: Simplify right side
    554,933.31x = 111,716,112,373.55
  5. Step 5: Solve for x
    x = 111,716,112,373.55/554,933.31
  6. Step 6: Final answer
    x = 201,314.48

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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.