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Finding the Fourth Proportional to 618,539.33, 926,233.95 and 407,537.57

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Solution

The fourth proportional to 618,539.33, 926,233.95 and 407,537.57 is: 610,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,539.33 : 926,233.95 = 407,537.57 : x
  2. Step 2: Convert to fraction form
    618,539.33/926,233.95 = 407,537.57/x
  3. Step 3: Cross multiply
    618,539.33x = 926,233.95 × 407,537.57
  4. Step 4: Simplify right side
    618,539.33x = 377,475,133,234.50
  5. Step 5: Solve for x
    x = 377,475,133,234.50/618,539.33
  6. Step 6: Final answer
    x = 610,268.60

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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.