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Finding the Fourth Proportional to 556,568.04, 834,887.12 and 157,239.57

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Solution

The fourth proportional to 556,568.04, 834,887.12 and 157,239.57 is: 235,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,568.04 : 834,887.12 = 157,239.57 : x
  2. Step 2: Convert to fraction form
    556,568.04/834,887.12 = 157,239.57/x
  3. Step 3: Cross multiply
    556,568.04x = 834,887.12 × 157,239.57
  4. Step 4: Simplify right side
    556,568.04x = 131,277,290,961.14
  5. Step 5: Solve for x
    x = 131,277,290,961.14/556,568.04
  6. Step 6: Final answer
    x = 235,869.26

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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.