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Finding the Fourth Proportional to 375,494.54, 563,298.35 and 109,220.00

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Solution

The fourth proportional to 375,494.54, 563,298.35 and 109,220.00 is: 163,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,494.54 : 563,298.35 = 109,220.00 : x
  2. Step 2: Convert to fraction form
    375,494.54/563,298.35 = 109,220.00/x
  3. Step 3: Cross multiply
    375,494.54x = 563,298.35 × 109,220.00
  4. Step 4: Simplify right side
    375,494.54x = 61,523,446,649.15
  5. Step 5: Solve for x
    x = 61,523,446,649.15/375,494.54
  6. Step 6: Final answer
    x = 163,846.45

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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.