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Finding the Fourth Proportional to 306,004.80, 458,877.60 and 148,281.60

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Solution

The fourth proportional to 306,004.80, 458,877.60 and 148,281.60 is: 222,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,004.80 : 458,877.60 = 148,281.60 : x
  2. Step 2: Convert to fraction form
    306,004.80/458,877.60 = 148,281.60/x
  3. Step 3: Cross multiply
    306,004.80x = 458,877.60 × 148,281.60
  4. Step 4: Simplify right side
    306,004.80x = 68,043,104,732.16
  5. Step 5: Solve for x
    x = 68,043,104,732.16/306,004.80
  6. Step 6: Final answer
    x = 222,359.60

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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.