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Finding the Fourth Proportional to 462,523.08, 638,478.60 and 281,293.22

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Solution

The fourth proportional to 462,523.08, 638,478.60 and 281,293.22 is: 388,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,523.08 : 638,478.60 = 281,293.22 : x
  2. Step 2: Convert to fraction form
    462,523.08/638,478.60 = 281,293.22/x
  3. Step 3: Cross multiply
    462,523.08x = 638,478.60 × 281,293.22
  4. Step 4: Simplify right side
    462,523.08x = 179,599,700,591.86
  5. Step 5: Solve for x
    x = 179,599,700,591.86/462,523.08
  6. Step 6: Final answer
    x = 388,304.30

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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.