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Finding the Fourth Proportional to 549,687.58, 824,378.28 and 194,606.26

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Solution

The fourth proportional to 549,687.58, 824,378.28 and 194,606.26 is: 291,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,687.58 : 824,378.28 = 194,606.26 : x
  2. Step 2: Convert to fraction form
    549,687.58/824,378.28 = 194,606.26/x
  3. Step 3: Cross multiply
    549,687.58x = 824,378.28 × 194,606.26
  4. Step 4: Simplify right side
    549,687.58x = 160,429,173,896.03
  5. Step 5: Solve for x
    x = 160,429,173,896.03/549,687.58
  6. Step 6: Final answer
    x = 291,855.19

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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.