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Finding the Fourth Proportional to 957,028, 1,320,415.32 and 569,532.78

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Solution

The fourth proportional to 957,028, 1,320,415.32 and 569,532.78 is: 785,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,028 : 1,320,415.32 = 569,532.78 : x
  2. Step 2: Convert to fraction form
    957,028/1,320,415.32 = 569,532.78/x
  3. Step 3: Cross multiply
    957,028x = 1,320,415.32 × 569,532.78
  4. Step 4: Simplify right side
    957,028x = 752,019,807,954.19
  5. Step 5: Solve for x
    x = 752,019,807,954.19/957,028
  6. Step 6: Final answer
    x = 785,786.63

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