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Finding the Fourth Proportional to 452,484.77, 678,726.54 and 115,525.44

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Solution

The fourth proportional to 452,484.77, 678,726.54 and 115,525.44 is: 173,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,484.77 : 678,726.54 = 115,525.44 : x
  2. Step 2: Convert to fraction form
    452,484.77/678,726.54 = 115,525.44/x
  3. Step 3: Cross multiply
    452,484.77x = 678,726.54 × 115,525.44
  4. Step 4: Simplify right side
    452,484.77x = 78,410,182,173.18
  5. Step 5: Solve for x
    x = 78,410,182,173.18/452,484.77
  6. Step 6: Final answer
    x = 173,288.00

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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.