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Finding the Fourth Proportional to 364,512.45, 509,136.45 and 364,512.45

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Solution

The fourth proportional to 364,512.45, 509,136.45 and 364,512.45 is: 509,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,512.45 : 509,136.45 = 364,512.45 : x
  2. Step 2: Convert to fraction form
    364,512.45/509,136.45 = 364,512.45/x
  3. Step 3: Cross multiply
    364,512.45x = 509,136.45 × 364,512.45
  4. Step 4: Simplify right side
    364,512.45x = 185,586,574,773.80
  5. Step 5: Solve for x
    x = 185,586,574,773.80/364,512.45
  6. Step 6: Final answer
    x = 509,136.45

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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.