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Finding the Fourth Proportional to 227,688.60, 319,230.60 and 227,688.60

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Solution

The fourth proportional to 227,688.60, 319,230.60 and 227,688.60 is: 319,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,688.60 : 319,230.60 = 227,688.60 : x
  2. Step 2: Convert to fraction form
    227,688.60/319,230.60 = 227,688.60/x
  3. Step 3: Cross multiply
    227,688.60x = 319,230.60 × 227,688.60
  4. Step 4: Simplify right side
    227,688.60x = 72,685,168,391.16
  5. Step 5: Solve for x
    x = 72,685,168,391.16/227,688.60
  6. Step 6: Final answer
    x = 319,230.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.