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Finding the Fourth Proportional to 526,833.72, 789,452.33 and 348,702.57

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Solution

The fourth proportional to 526,833.72, 789,452.33 and 348,702.57 is: 522,525.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,833.72 : 789,452.33 = 348,702.57 : x
  2. Step 2: Convert to fraction form
    526,833.72/789,452.33 = 348,702.57/x
  3. Step 3: Cross multiply
    526,833.72x = 789,452.33 × 348,702.57
  4. Step 4: Simplify right side
    526,833.72x = 275,284,054,619.98
  5. Step 5: Solve for x
    x = 275,284,054,619.98/526,833.72
  6. Step 6: Final answer
    x = 522,525.50

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1.5x scale

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.