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Finding the Fourth Proportional to 535,767.56, 803,441.88 and 194,129.83

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Solution

The fourth proportional to 535,767.56, 803,441.88 and 194,129.83 is: 291,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,767.56 : 803,441.88 = 194,129.83 : x
  2. Step 2: Convert to fraction form
    535,767.56/803,441.88 = 194,129.83/x
  3. Step 3: Cross multiply
    535,767.56x = 803,441.88 × 194,129.83
  4. Step 4: Simplify right side
    535,767.56x = 155,972,035,579.28
  5. Step 5: Solve for x
    x = 155,972,035,579.28/535,767.56
  6. Step 6: Final answer
    x = 291,118.85

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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.