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Finding the Fourth Proportional to 620,083.60, 927,792.60 and 410,131.60

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Solution

The fourth proportional to 620,083.60, 927,792.60 and 410,131.60 is: 613,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,083.60 : 927,792.60 = 410,131.60 : x
  2. Step 2: Convert to fraction form
    620,083.60/927,792.60 = 410,131.60/x
  3. Step 3: Cross multiply
    620,083.60x = 927,792.60 × 410,131.60
  4. Step 4: Simplify right side
    620,083.60x = 380,517,063,506.16
  5. Step 5: Solve for x
    x = 380,517,063,506.16/620,083.60
  6. Step 6: Final answer
    x = 613,654.45

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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.