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Finding the Fourth Proportional to 307,652.39, 460,814.28 and 300,123.64

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Solution

The fourth proportional to 307,652.39, 460,814.28 and 300,123.64 is: 449,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,652.39 : 460,814.28 = 300,123.64 : x
  2. Step 2: Convert to fraction form
    307,652.39/460,814.28 = 300,123.64/x
  3. Step 3: Cross multiply
    307,652.39x = 460,814.28 × 300,123.64
  4. Step 4: Simplify right side
    307,652.39x = 138,301,258,528.13
  5. Step 5: Solve for x
    x = 138,301,258,528.13/307,652.39
  6. Step 6: Final answer
    x = 449,537.41

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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.