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Finding the Fourth Proportional to 526,285.57, 789,309.30 and 241,702.53

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Solution

The fourth proportional to 526,285.57, 789,309.30 and 241,702.53 is: 362,499.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,285.57 : 789,309.30 = 241,702.53 : x
  2. Step 2: Convert to fraction form
    526,285.57/789,309.30 = 241,702.53/x
  3. Step 3: Cross multiply
    526,285.57x = 789,309.30 × 241,702.53
  4. Step 4: Simplify right side
    526,285.57x = 190,778,053,554.02
  5. Step 5: Solve for x
    x = 190,778,053,554.02/526,285.57
  6. Step 6: Final answer
    x = 362,499.12

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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.