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Finding the Fourth Proportional to 307,062.40, 460,658.40 and 96,721.60

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Solution

The fourth proportional to 307,062.40, 460,658.40 and 96,721.60 is: 145,102.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,062.40 : 460,658.40 = 96,721.60 : x
  2. Step 2: Convert to fraction form
    307,062.40/460,658.40 = 96,721.60/x
  3. Step 3: Cross multiply
    307,062.40x = 460,658.40 × 96,721.60
  4. Step 4: Simplify right side
    307,062.40x = 44,555,617,501.44
  5. Step 5: Solve for x
    x = 44,555,617,501.44/307,062.40
  6. Step 6: Final answer
    x = 145,102.81

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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.