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Finding the Fourth Proportional to 307,331.57, 460,128.01 and 162,908.31

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Solution

The fourth proportional to 307,331.57, 460,128.01 and 162,908.31 is: 243,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,331.57 : 460,128.01 = 162,908.31 : x
  2. Step 2: Convert to fraction form
    307,331.57/460,128.01 = 162,908.31/x
  3. Step 3: Cross multiply
    307,331.57x = 460,128.01 × 162,908.31
  4. Step 4: Simplify right side
    307,331.57x = 74,958,676,492.76
  5. Step 5: Solve for x
    x = 74,958,676,492.76/307,331.57
  6. Step 6: Final answer
    x = 243,901.65

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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.