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Finding the Fourth Proportional to 306,095.40, 458,235.90 and 227,557.80

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Solution

The fourth proportional to 306,095.40, 458,235.90 and 227,557.80 is: 340,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,095.40 : 458,235.90 = 227,557.80 : x
  2. Step 2: Convert to fraction form
    306,095.40/458,235.90 = 227,557.80/x
  3. Step 3: Cross multiply
    306,095.40x = 458,235.90 × 227,557.80
  4. Step 4: Simplify right side
    306,095.40x = 104,275,153,285.02
  5. Step 5: Solve for x
    x = 104,275,153,285.02/306,095.40
  6. Step 6: Final answer
    x = 340,662.27

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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.