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Finding the Fourth Proportional to 375,666.80, 563,450.88 and 186,053.36

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Solution

The fourth proportional to 375,666.80, 563,450.88 and 186,053.36 is: 279,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,666.80 : 563,450.88 = 186,053.36 : x
  2. Step 2: Convert to fraction form
    375,666.80/563,450.88 = 186,053.36/x
  3. Step 3: Cross multiply
    375,666.80x = 563,450.88 × 186,053.36
  4. Step 4: Simplify right side
    375,666.80x = 104,831,929,418.96
  5. Step 5: Solve for x
    x = 104,831,929,418.96/375,666.80
  6. Step 6: Final answer
    x = 279,055.61

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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.