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Finding the Fourth Proportional to 464,133.38, 640,504.06 and 262,929.38

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Solution

The fourth proportional to 464,133.38, 640,504.06 and 262,929.38 is: 362,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,133.38 : 640,504.06 = 262,929.38 : x
  2. Step 2: Convert to fraction form
    464,133.38/640,504.06 = 262,929.38/x
  3. Step 3: Cross multiply
    464,133.38x = 640,504.06 × 262,929.38
  4. Step 4: Simplify right side
    464,133.38x = 168,407,331,523.44
  5. Step 5: Solve for x
    x = 168,407,331,523.44/464,133.38
  6. Step 6: Final answer
    x = 362,842.54

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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.