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Finding the Fourth Proportional to 366,970.20, 513,136.20 and 366,970.20

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Solution

The fourth proportional to 366,970.20, 513,136.20 and 366,970.20 is: 513,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,970.20 : 513,136.20 = 366,970.20 : x
  2. Step 2: Convert to fraction form
    366,970.20/513,136.20 = 366,970.20/x
  3. Step 3: Cross multiply
    366,970.20x = 513,136.20 × 366,970.20
  4. Step 4: Simplify right side
    366,970.20x = 188,305,693,941.24
  5. Step 5: Solve for x
    x = 188,305,693,941.24/366,970.20
  6. Step 6: Final answer
    x = 513,136.20

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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.