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Finding the Fourth Proportional to 364,247.68, 546,371.58 and 284,420.56

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Solution

The fourth proportional to 364,247.68, 546,371.58 and 284,420.56 is: 426,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,247.68 : 546,371.58 = 284,420.56 : x
  2. Step 2: Convert to fraction form
    364,247.68/546,371.58 = 284,420.56/x
  3. Step 3: Cross multiply
    364,247.68x = 546,371.58 × 284,420.56
  4. Step 4: Simplify right side
    364,247.68x = 155,399,310,751.69
  5. Step 5: Solve for x
    x = 155,399,310,751.69/364,247.68
  6. Step 6: Final answer
    x = 426,630.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.