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Finding the Fourth Proportional to 583,260.42, 874,890.54 and 140,028.42

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Solution

The fourth proportional to 583,260.42, 874,890.54 and 140,028.42 is: 210,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,260.42 : 874,890.54 = 140,028.42 : x
  2. Step 2: Convert to fraction form
    583,260.42/874,890.54 = 140,028.42/x
  3. Step 3: Cross multiply
    583,260.42x = 874,890.54 × 140,028.42
  4. Step 4: Simplify right side
    583,260.42x = 122,509,539,989.15
  5. Step 5: Solve for x
    x = 122,509,539,989.15/583,260.42
  6. Step 6: Final answer
    x = 210,042.61

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Similar ratio
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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.