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Finding the Fourth Proportional to 305,640.48, 458,485.02 and 95,280.24

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Solution

The fourth proportional to 305,640.48, 458,485.02 and 95,280.24 is: 142,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,640.48 : 458,485.02 = 95,280.24 : x
  2. Step 2: Convert to fraction form
    305,640.48/458,485.02 = 95,280.24/x
  3. Step 3: Cross multiply
    305,640.48x = 458,485.02 × 95,280.24
  4. Step 4: Simplify right side
    305,640.48x = 43,684,562,742.00
  5. Step 5: Solve for x
    x = 43,684,562,742.00/305,640.48
  6. Step 6: Final answer
    x = 142,927.94

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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.