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Finding the Fourth Proportional to 469,913.36, 704,866.80 and 114,932.48

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Solution

The fourth proportional to 469,913.36, 704,866.80 and 114,932.48 is: 172,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,913.36 : 704,866.80 = 114,932.48 : x
  2. Step 2: Convert to fraction form
    469,913.36/704,866.80 = 114,932.48/x
  3. Step 3: Cross multiply
    469,913.36x = 704,866.80 × 114,932.48
  4. Step 4: Simplify right side
    469,913.36x = 81,012,089,393.66
  5. Step 5: Solve for x
    x = 81,012,089,393.66/469,913.36
  6. Step 6: Final answer
    x = 172,397.93

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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.