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Finding the Fourth Proportional to 276,316.65, 414,474.98 and 98,812.89

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Solution

The fourth proportional to 276,316.65, 414,474.98 and 98,812.89 is: 148,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,316.65 : 414,474.98 = 98,812.89 : x
  2. Step 2: Convert to fraction form
    276,316.65/414,474.98 = 98,812.89/x
  3. Step 3: Cross multiply
    276,316.65x = 414,474.98 × 98,812.89
  4. Step 4: Simplify right side
    276,316.65x = 40,955,470,112.43
  5. Step 5: Solve for x
    x = 40,955,470,112.43/276,316.65
  6. Step 6: Final answer
    x = 148,219.34

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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.