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Finding the Fourth Proportional to 205,297.60, 307,946.40 and 175,230.40

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Solution

The fourth proportional to 205,297.60, 307,946.40 and 175,230.40 is: 262,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,297.60 : 307,946.40 = 175,230.40 : x
  2. Step 2: Convert to fraction form
    205,297.60/307,946.40 = 175,230.40/x
  3. Step 3: Cross multiply
    205,297.60x = 307,946.40 × 175,230.40
  4. Step 4: Simplify right side
    205,297.60x = 53,961,570,850.56
  5. Step 5: Solve for x
    x = 53,961,570,850.56/205,297.60
  6. Step 6: Final answer
    x = 262,845.60

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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.