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Finding the Fourth Proportional to 529,858.12, 794,787.62 and 130,507.08

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Solution

The fourth proportional to 529,858.12, 794,787.62 and 130,507.08 is: 195,760.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,858.12 : 794,787.62 = 130,507.08 : x
  2. Step 2: Convert to fraction form
    529,858.12/794,787.62 = 130,507.08/x
  3. Step 3: Cross multiply
    529,858.12x = 794,787.62 × 130,507.08
  4. Step 4: Simplify right side
    529,858.12x = 103,725,411,506.35
  5. Step 5: Solve for x
    x = 103,725,411,506.35/529,858.12
  6. Step 6: Final answer
    x = 195,760.73

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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.