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Finding the Fourth Proportional to 703,662.60, 1,055,792.79 and 348,683.34

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Solution

The fourth proportional to 703,662.60, 1,055,792.79 and 348,683.34 is: 523,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,662.60 : 1,055,792.79 = 348,683.34 : x
  2. Step 2: Convert to fraction form
    703,662.60/1,055,792.79 = 348,683.34/x
  3. Step 3: Cross multiply
    703,662.60x = 1,055,792.79 × 348,683.34
  4. Step 4: Simplify right side
    703,662.60x = 368,137,356,365.12
  5. Step 5: Solve for x
    x = 368,137,356,365.12/703,662.60
  6. Step 6: Final answer
    x = 523,173.12

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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.