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Finding the Fourth Proportional to 654,546.51, 903,268.53 and 368,060.49

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Solution

The fourth proportional to 654,546.51, 903,268.53 and 368,060.49 is: 507,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,546.51 : 903,268.53 = 368,060.49 : x
  2. Step 2: Convert to fraction form
    654,546.51/903,268.53 = 368,060.49/x
  3. Step 3: Cross multiply
    654,546.51x = 903,268.53 × 368,060.49
  4. Step 4: Simplify right side
    654,546.51x = 332,457,457,753.38
  5. Step 5: Solve for x
    x = 332,457,457,753.38/654,546.51
  6. Step 6: Final answer
    x = 507,920.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.