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Finding the Fourth Proportional to 561,104.34, 841,774.89 and 181,995.63

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Solution

The fourth proportional to 561,104.34, 841,774.89 and 181,995.63 is: 273,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,104.34 : 841,774.89 = 181,995.63 : x
  2. Step 2: Convert to fraction form
    561,104.34/841,774.89 = 181,995.63/x
  3. Step 3: Cross multiply
    561,104.34x = 841,774.89 × 181,995.63
  4. Step 4: Simplify right side
    561,104.34x = 153,199,351,423.73
  5. Step 5: Solve for x
    x = 153,199,351,423.73/561,104.34
  6. Step 6: Final answer
    x = 273,031.84

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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.