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Finding the Fourth Proportional to 556,627.30, 834,969.52 and 157,296.90

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Solution

The fourth proportional to 556,627.30, 834,969.52 and 157,296.90 is: 235,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,627.30 : 834,969.52 = 157,296.90 : x
  2. Step 2: Convert to fraction form
    556,627.30/834,969.52 = 157,296.90/x
  3. Step 3: Cross multiply
    556,627.30x = 834,969.52 × 157,296.90
  4. Step 4: Simplify right side
    556,627.30x = 131,338,117,090.49
  5. Step 5: Solve for x
    x = 131,338,117,090.49/556,627.30
  6. Step 6: Final answer
    x = 235,953.42

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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.