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Finding the Fourth Proportional to 565,638.38, 780,534.51 and 333,028.34

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Solution

The fourth proportional to 565,638.38, 780,534.51 and 333,028.34 is: 459,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,638.38 : 780,534.51 = 333,028.34 : x
  2. Step 2: Convert to fraction form
    565,638.38/780,534.51 = 333,028.34/x
  3. Step 3: Cross multiply
    565,638.38x = 780,534.51 × 333,028.34
  4. Step 4: Simplify right side
    565,638.38x = 259,940,112,178.01
  5. Step 5: Solve for x
    x = 259,940,112,178.01/565,638.38
  6. Step 6: Final answer
    x = 459,551.76

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1.5x scale

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.