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Finding the Fourth Proportional to 335,331.65, 502,997.45 and 98,674.40

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Solution

The fourth proportional to 335,331.65, 502,997.45 and 98,674.40 is: 148,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,331.65 : 502,997.45 = 98,674.40 : x
  2. Step 2: Convert to fraction form
    335,331.65/502,997.45 = 98,674.40/x
  3. Step 3: Cross multiply
    335,331.65x = 502,997.45 × 98,674.40
  4. Step 4: Simplify right side
    335,331.65x = 49,632,968,571.92
  5. Step 5: Solve for x
    x = 49,632,968,571.92/335,331.65
  6. Step 6: Final answer
    x = 148,011.59

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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.