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Finding the Fourth Proportional to 492,767.80, 680,020.32 and 266,413.30

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Solution

The fourth proportional to 492,767.80, 680,020.32 and 266,413.30 is: 367,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,767.80 : 680,020.32 = 266,413.30 : x
  2. Step 2: Convert to fraction form
    492,767.80/680,020.32 = 266,413.30/x
  3. Step 3: Cross multiply
    492,767.80x = 680,020.32 × 266,413.30
  4. Step 4: Simplify right side
    492,767.80x = 181,166,457,518.26
  5. Step 5: Solve for x
    x = 181,166,457,518.26/492,767.80
  6. Step 6: Final answer
    x = 367,650.76

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1.5x scale

Why These Related Problems?

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