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Finding the Fourth Proportional to 440,674.86, 608,317.36 and 297,628.66

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Solution

The fourth proportional to 440,674.86, 608,317.36 and 297,628.66 is: 410,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,674.86 : 608,317.36 = 297,628.66 : x
  2. Step 2: Convert to fraction form
    440,674.86/608,317.36 = 297,628.66/x
  3. Step 3: Cross multiply
    440,674.86x = 608,317.36 × 297,628.66
  4. Step 4: Simplify right side
    440,674.86x = 181,052,680,727.86
  5. Step 5: Solve for x
    x = 181,052,680,727.86/440,674.86
  6. Step 6: Final answer
    x = 410,853.21

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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.