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Finding the Fourth Proportional to 307,236.59, 460,538.21 and 117,645.15

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Solution

The fourth proportional to 307,236.59, 460,538.21 and 117,645.15 is: 176,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,236.59 : 460,538.21 = 117,645.15 : x
  2. Step 2: Convert to fraction form
    307,236.59/460,538.21 = 117,645.15/x
  3. Step 3: Cross multiply
    307,236.59x = 460,538.21 × 117,645.15
  4. Step 4: Simplify right side
    307,236.59x = 54,180,087,090.29
  5. Step 5: Solve for x
    x = 54,180,087,090.29/307,236.59
  6. Step 6: Final answer
    x = 176,346.47

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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.