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Finding the Fourth Proportional to 415,453.52, 622,931.24 and 190,532.24

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Solution

The fourth proportional to 415,453.52, 622,931.24 and 190,532.24 is: 285,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,453.52 : 622,931.24 = 190,532.24 : x
  2. Step 2: Convert to fraction form
    415,453.52/622,931.24 = 190,532.24/x
  3. Step 3: Cross multiply
    415,453.52x = 622,931.24 × 190,532.24
  4. Step 4: Simplify right side
    415,453.52x = 118,688,484,523.18
  5. Step 5: Solve for x
    x = 118,688,484,523.18/415,453.52
  6. Step 6: Final answer
    x = 285,684.15

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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.