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Finding the Fourth Proportional to 622,170.40, 933,255.60 and 497,754.40

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Solution

The fourth proportional to 622,170.40, 933,255.60 and 497,754.40 is: 746,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,170.40 : 933,255.60 = 497,754.40 : x
  2. Step 2: Convert to fraction form
    622,170.40/933,255.60 = 497,754.40/x
  3. Step 3: Cross multiply
    622,170.40x = 933,255.60 × 497,754.40
  4. Step 4: Simplify right side
    622,170.40x = 464,532,081,224.64
  5. Step 5: Solve for x
    x = 464,532,081,224.64/622,170.40
  6. Step 6: Final answer
    x = 746,631.60

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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.