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Finding the Fourth Proportional to 462,941.36, 638,783.52 and 269,392.40

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Solution

The fourth proportional to 462,941.36, 638,783.52 and 269,392.40 is: 371,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,941.36 : 638,783.52 = 269,392.40 : x
  2. Step 2: Convert to fraction form
    462,941.36/638,783.52 = 269,392.40/x
  3. Step 3: Cross multiply
    462,941.36x = 638,783.52 × 269,392.40
  4. Step 4: Simplify right side
    462,941.36x = 172,083,425,533.25
  5. Step 5: Solve for x
    x = 172,083,425,533.25/462,941.36
  6. Step 6: Final answer
    x = 371,717.54

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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.