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Finding the Fourth Proportional to 451,512.06, 623,114.64 and 250,308.06

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Solution

The fourth proportional to 451,512.06, 623,114.64 and 250,308.06 is: 345,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,512.06 : 623,114.64 = 250,308.06 : x
  2. Step 2: Convert to fraction form
    451,512.06/623,114.64 = 250,308.06/x
  3. Step 3: Cross multiply
    451,512.06x = 623,114.64 × 250,308.06
  4. Step 4: Simplify right side
    451,512.06x = 155,970,616,696.00
  5. Step 5: Solve for x
    x = 155,970,616,696.00/451,512.06
  6. Step 6: Final answer
    x = 345,440.64

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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.