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Finding the Fourth Proportional to 618,091.80, 926,907.30 and 244,037.40

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Solution

The fourth proportional to 618,091.80, 926,907.30 and 244,037.40 is: 365,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,091.80 : 926,907.30 = 244,037.40 : x
  2. Step 2: Convert to fraction form
    618,091.80/926,907.30 = 244,037.40/x
  3. Step 3: Cross multiply
    618,091.80x = 926,907.30 × 244,037.40
  4. Step 4: Simplify right side
    618,091.80x = 226,200,047,533.02
  5. Step 5: Solve for x
    x = 226,200,047,533.02/618,091.80
  6. Step 6: Final answer
    x = 365,965.13

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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.