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Finding the Fourth Proportional to 395,850.50, 546,308.25 and 217,037.06

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Solution

The fourth proportional to 395,850.50, 546,308.25 and 217,037.06 is: 299,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,850.50 : 546,308.25 = 217,037.06 : x
  2. Step 2: Convert to fraction form
    395,850.50/546,308.25 = 217,037.06/x
  3. Step 3: Cross multiply
    395,850.50x = 546,308.25 × 217,037.06
  4. Step 4: Simplify right side
    395,850.50x = 118,569,136,433.75
  5. Step 5: Solve for x
    x = 118,569,136,433.75/395,850.50
  6. Step 6: Final answer
    x = 299,530.09

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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.