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Finding the Fourth Proportional to 653,671.38, 901,968.30 and 367,136.58

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Solution

The fourth proportional to 653,671.38, 901,968.30 and 367,136.58 is: 506,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,671.38 : 901,968.30 = 367,136.58 : x
  2. Step 2: Convert to fraction form
    653,671.38/901,968.30 = 367,136.58/x
  3. Step 3: Cross multiply
    653,671.38x = 901,968.30 × 367,136.58
  4. Step 4: Simplify right side
    653,671.38x = 331,145,556,930.41
  5. Step 5: Solve for x
    x = 331,145,556,930.41/653,671.38
  6. Step 6: Final answer
    x = 506,593.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.