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Finding the Fourth Proportional to 235,400.10, 353,100.15 and 205,875.60

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Solution

The fourth proportional to 235,400.10, 353,100.15 and 205,875.60 is: 308,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,400.10 : 353,100.15 = 205,875.60 : x
  2. Step 2: Convert to fraction form
    235,400.10/353,100.15 = 205,875.60/x
  3. Step 3: Cross multiply
    235,400.10x = 353,100.15 × 205,875.60
  4. Step 4: Simplify right side
    235,400.10x = 72,694,705,241.34
  5. Step 5: Solve for x
    x = 72,694,705,241.34/235,400.10
  6. Step 6: Final answer
    x = 308,813.40

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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.