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Finding the Fourth Proportional to 369,785.81, 554,761.74 and 117,081.38

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Solution

The fourth proportional to 369,785.81, 554,761.74 and 117,081.38 is: 175,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,785.81 : 554,761.74 = 117,081.38 : x
  2. Step 2: Convert to fraction form
    369,785.81/554,761.74 = 117,081.38/x
  3. Step 3: Cross multiply
    369,785.81x = 554,761.74 × 117,081.38
  4. Step 4: Simplify right side
    369,785.81x = 64,952,270,090.40
  5. Step 5: Solve for x
    x = 64,952,270,090.40/369,785.81
  6. Step 6: Final answer
    x = 175,648.36

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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.