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Finding the Fourth Proportional to 307,230.76, 460,755.93 and 107,513.92

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Solution

The fourth proportional to 307,230.76, 460,755.93 and 107,513.92 is: 161,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,230.76 : 460,755.93 = 107,513.92 : x
  2. Step 2: Convert to fraction form
    307,230.76/460,755.93 = 107,513.92/x
  3. Step 3: Cross multiply
    307,230.76x = 460,755.93 × 107,513.92
  4. Step 4: Simplify right side
    307,230.76x = 49,537,676,197.55
  5. Step 5: Solve for x
    x = 49,537,676,197.55/307,230.76
  6. Step 6: Final answer
    x = 161,239.31

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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.