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Finding the Fourth Proportional to 276,097.20, 414,145.80 and 176,564.40

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Solution

The fourth proportional to 276,097.20, 414,145.80 and 176,564.40 is: 264,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,097.20 : 414,145.80 = 176,564.40 : x
  2. Step 2: Convert to fraction form
    276,097.20/414,145.80 = 176,564.40/x
  3. Step 3: Cross multiply
    276,097.20x = 414,145.80 × 176,564.40
  4. Step 4: Simplify right side
    276,097.20x = 73,123,404,689.52
  5. Step 5: Solve for x
    x = 73,123,404,689.52/276,097.20
  6. Step 6: Final answer
    x = 264,846.60

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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.