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Finding the Fourth Proportional to 441,111.83, 661,886.64 and 174,866.45

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Solution

The fourth proportional to 441,111.83, 661,886.64 and 174,866.45 is: 262,386.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,111.83 : 661,886.64 = 174,866.45 : x
  2. Step 2: Convert to fraction form
    441,111.83/661,886.64 = 174,866.45/x
  3. Step 3: Cross multiply
    441,111.83x = 661,886.64 × 174,866.45
  4. Step 4: Simplify right side
    441,111.83x = 115,741,763,729.80
  5. Step 5: Solve for x
    x = 115,741,763,729.80/441,111.83
  6. Step 6: Final answer
    x = 262,386.45

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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.