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Finding the Fourth Proportional to 462,160.92, 637,782.72 and 280,824.60

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Solution

The fourth proportional to 462,160.92, 637,782.72 and 280,824.60 is: 387,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,160.92 : 637,782.72 = 280,824.60 : x
  2. Step 2: Convert to fraction form
    462,160.92/637,782.72 = 280,824.60/x
  3. Step 3: Cross multiply
    462,160.92x = 637,782.72 × 280,824.60
  4. Step 4: Simplify right side
    462,160.92x = 179,105,077,230.91
  5. Step 5: Solve for x
    x = 179,105,077,230.91/462,160.92
  6. Step 6: Final answer
    x = 387,538.34

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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.