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Finding the Fourth Proportional to 366,919.55, 512,581.45 and 366,919.55

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Solution

The fourth proportional to 366,919.55, 512,581.45 and 366,919.55 is: 512,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,919.55 : 512,581.45 = 366,919.55 : x
  2. Step 2: Convert to fraction form
    366,919.55/512,581.45 = 366,919.55/x
  3. Step 3: Cross multiply
    366,919.55x = 512,581.45 × 366,919.55
  4. Step 4: Simplify right side
    366,919.55x = 188,076,154,972.35
  5. Step 5: Solve for x
    x = 188,076,154,972.35/366,919.55
  6. Step 6: Final answer
    x = 512,581.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.