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Finding the Fourth Proportional to 366,936.10, 550,404.15 and 340,364.05

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Solution

The fourth proportional to 366,936.10, 550,404.15 and 340,364.05 is: 510,546.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,936.10 : 550,404.15 = 340,364.05 : x
  2. Step 2: Convert to fraction form
    366,936.10/550,404.15 = 340,364.05/x
  3. Step 3: Cross multiply
    366,936.10x = 550,404.15 × 340,364.05
  4. Step 4: Simplify right side
    366,936.10x = 187,337,785,630.81
  5. Step 5: Solve for x
    x = 187,337,785,630.81/366,936.10
  6. Step 6: Final answer
    x = 510,546.08

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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.