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Finding the Fourth Proportional to 540,211.68, 744,603.03 and 383,100.03

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Solution

The fourth proportional to 540,211.68, 744,603.03 and 383,100.03 is: 528,047.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,211.68 : 744,603.03 = 383,100.03 : x
  2. Step 2: Convert to fraction form
    540,211.68/744,603.03 = 383,100.03/x
  3. Step 3: Cross multiply
    540,211.68x = 744,603.03 × 383,100.03
  4. Step 4: Simplify right side
    540,211.68x = 285,257,443,131.09
  5. Step 5: Solve for x
    x = 285,257,443,131.09/540,211.68
  6. Step 6: Final answer
    x = 528,047.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.