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Finding the Fourth Proportional to 296,800.64, 409,587.20 and 162,669.44

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Solution

The fourth proportional to 296,800.64, 409,587.20 and 162,669.44 is: 224,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,800.64 : 409,587.20 = 162,669.44 : x
  2. Step 2: Convert to fraction form
    296,800.64/409,587.20 = 162,669.44/x
  3. Step 3: Cross multiply
    296,800.64x = 409,587.20 × 162,669.44
  4. Step 4: Simplify right side
    296,800.64x = 66,627,320,455.17
  5. Step 5: Solve for x
    x = 66,627,320,455.17/296,800.64
  6. Step 6: Final answer
    x = 224,485.10

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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.