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Finding the Fourth Proportional to 416,157.60, 623,180.40 and 228,957.60

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Solution

The fourth proportional to 416,157.60, 623,180.40 and 228,957.60 is: 342,855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,157.60 : 623,180.40 = 228,957.60 : x
  2. Step 2: Convert to fraction form
    416,157.60/623,180.40 = 228,957.60/x
  3. Step 3: Cross multiply
    416,157.60x = 623,180.40 × 228,957.60
  4. Step 4: Simplify right side
    416,157.60x = 142,681,888,751.04
  5. Step 5: Solve for x
    x = 142,681,888,751.04/416,157.60
  6. Step 6: Final answer
    x = 342,855.42

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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.