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Finding the Fourth Proportional to 366,936.35, 550,404.53 and 340,364.30

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Solution

The fourth proportional to 366,936.35, 550,404.53 and 340,364.30 is: 510,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,936.35 : 550,404.53 = 340,364.30 : x
  2. Step 2: Convert to fraction form
    366,936.35/550,404.53 = 340,364.30/x
  3. Step 3: Cross multiply
    366,936.35x = 550,404.53 × 340,364.30
  4. Step 4: Simplify right side
    366,936.35x = 187,338,050,868.46
  5. Step 5: Solve for x
    x = 187,338,050,868.46/366,936.35
  6. Step 6: Final answer
    x = 510,546.45

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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.