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Finding the Fourth Proportional to 618,097.70, 926,455.35 and 263,051.30

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Solution

The fourth proportional to 618,097.70, 926,455.35 and 263,051.30 is: 394,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,097.70 : 926,455.35 = 263,051.30 : x
  2. Step 2: Convert to fraction form
    618,097.70/926,455.35 = 263,051.30/x
  3. Step 3: Cross multiply
    618,097.70x = 926,455.35 × 263,051.30
  4. Step 4: Simplify right side
    618,097.70x = 243,705,284,209.46
  5. Step 5: Solve for x
    x = 243,705,284,209.46/618,097.70
  6. Step 6: Final answer
    x = 394,282.79

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1.5x scale

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.