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Finding the Fourth Proportional to 559,507.82, 839,345.09 and 199,650.60

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Solution

The fourth proportional to 559,507.82, 839,345.09 and 199,650.60 is: 299,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,507.82 : 839,345.09 = 199,650.60 : x
  2. Step 2: Convert to fraction form
    559,507.82/839,345.09 = 199,650.60/x
  3. Step 3: Cross multiply
    559,507.82x = 839,345.09 × 199,650.60
  4. Step 4: Simplify right side
    559,507.82x = 167,575,749,827.30
  5. Step 5: Solve for x
    x = 167,575,749,827.30/559,507.82
  6. Step 6: Final answer
    x = 299,505.65

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1.5x scale

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.