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Finding the Fourth Proportional to 618,075.60, 927,258 and 191,589.24

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Solution

The fourth proportional to 618,075.60, 927,258 and 191,589.24 is: 287,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,075.60 : 927,258 = 191,589.24 : x
  2. Step 2: Convert to fraction form
    618,075.60/927,258 = 191,589.24/x
  3. Step 3: Cross multiply
    618,075.60x = 927,258 × 191,589.24
  4. Step 4: Simplify right side
    618,075.60x = 177,652,655,503.92
  5. Step 5: Solve for x
    x = 177,652,655,503.92/618,075.60
  6. Step 6: Final answer
    x = 287,428.68

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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.