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Finding the Fourth Proportional to 297,330.40, 445,995.60 and 277,501.60

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Solution

The fourth proportional to 297,330.40, 445,995.60 and 277,501.60 is: 416,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,330.40 : 445,995.60 = 277,501.60 : x
  2. Step 2: Convert to fraction form
    297,330.40/445,995.60 = 277,501.60/x
  3. Step 3: Cross multiply
    297,330.40x = 445,995.60 × 277,501.60
  4. Step 4: Simplify right side
    297,330.40x = 123,764,492,592.96
  5. Step 5: Solve for x
    x = 123,764,492,592.96/297,330.40
  6. Step 6: Final answer
    x = 416,252.40

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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.