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Finding the Fourth Proportional to 556,588.44, 834,917.40 and 157,259.88

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Solution

The fourth proportional to 556,588.44, 834,917.40 and 157,259.88 is: 235,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,588.44 : 834,917.40 = 157,259.88 : x
  2. Step 2: Convert to fraction form
    556,588.44/834,917.40 = 157,259.88/x
  3. Step 3: Cross multiply
    556,588.44x = 834,917.40 × 157,259.88
  4. Step 4: Simplify right side
    556,588.44x = 131,299,010,133.91
  5. Step 5: Solve for x
    x = 131,299,010,133.91/556,588.44
  6. Step 6: Final answer
    x = 235,899.64

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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.