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Finding the Fourth Proportional to 353,810.48, 488,253.63 and 200,847.33

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Solution

The fourth proportional to 353,810.48, 488,253.63 and 200,847.33 is: 277,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,810.48 : 488,253.63 = 200,847.33 : x
  2. Step 2: Convert to fraction form
    353,810.48/488,253.63 = 200,847.33/x
  3. Step 3: Cross multiply
    353,810.48x = 488,253.63 × 200,847.33
  4. Step 4: Simplify right side
    353,810.48x = 98,064,439,260.57
  5. Step 5: Solve for x
    x = 98,064,439,260.57/353,810.48
  6. Step 6: Final answer
    x = 277,166.58

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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.