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Finding the Fourth Proportional to 463,927.92, 640,210.08 and 270,323.64

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Solution

The fourth proportional to 463,927.92, 640,210.08 and 270,323.64 is: 373,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,927.92 : 640,210.08 = 270,323.64 : x
  2. Step 2: Convert to fraction form
    463,927.92/640,210.08 = 270,323.64/x
  3. Step 3: Cross multiply
    463,927.92x = 640,210.08 × 270,323.64
  4. Step 4: Simplify right side
    463,927.92x = 173,063,919,190.29
  5. Step 5: Solve for x
    x = 173,063,919,190.29/463,927.92
  6. Step 6: Final answer
    x = 373,040.53

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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.