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Finding the Fourth Proportional to 375,890.22, 563,775.30 and 109,588.46

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Solution

The fourth proportional to 375,890.22, 563,775.30 and 109,588.46 is: 164,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,890.22 : 563,775.30 = 109,588.46 : x
  2. Step 2: Convert to fraction form
    375,890.22/563,775.30 = 109,588.46/x
  3. Step 3: Cross multiply
    375,890.22x = 563,775.30 × 109,588.46
  4. Step 4: Simplify right side
    375,890.22x = 61,783,264,094.16
  5. Step 5: Solve for x
    x = 61,783,264,094.16/375,890.22
  6. Step 6: Final answer
    x = 164,365.18

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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.