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Finding the Fourth Proportional to 503,657.80, 755,486.70 and 444,608.80

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Solution

The fourth proportional to 503,657.80, 755,486.70 and 444,608.80 is: 666,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,657.80 : 755,486.70 = 444,608.80 : x
  2. Step 2: Convert to fraction form
    503,657.80/755,486.70 = 444,608.80/x
  3. Step 3: Cross multiply
    503,657.80x = 755,486.70 × 444,608.80
  4. Step 4: Simplify right side
    503,657.80x = 335,896,035,102.96
  5. Step 5: Solve for x
    x = 335,896,035,102.96/503,657.80
  6. Step 6: Final answer
    x = 666,913.20

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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.