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Finding the Fourth Proportional to 366,948.55, 512,622.05 and 366,948.55

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Solution

The fourth proportional to 366,948.55, 512,622.05 and 366,948.55 is: 512,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,948.55 : 512,622.05 = 366,948.55 : x
  2. Step 2: Convert to fraction form
    366,948.55/512,622.05 = 366,948.55/x
  3. Step 3: Cross multiply
    366,948.55x = 512,622.05 × 366,948.55
  4. Step 4: Simplify right side
    366,948.55x = 188,105,917,945.53
  5. Step 5: Solve for x
    x = 188,105,917,945.53/366,948.55
  6. Step 6: Final answer
    x = 512,622.05

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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.