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Finding the Fourth Proportional to 307,235.40, 460,901.76 and 107,550.96

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Solution

The fourth proportional to 307,235.40, 460,901.76 and 107,550.96 is: 161,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,235.40 : 460,901.76 = 107,550.96 : x
  2. Step 2: Convert to fraction form
    307,235.40/460,901.76 = 107,550.96/x
  3. Step 3: Cross multiply
    307,235.40x = 460,901.76 × 107,550.96
  4. Step 4: Simplify right side
    307,235.40x = 49,570,426,753.69
  5. Step 5: Solve for x
    x = 49,570,426,753.69/307,235.40
  6. Step 6: Final answer
    x = 161,343.47

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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.