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Finding the Fourth Proportional to 354,224.77, 488,486.77 and 224,935.20

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Solution

The fourth proportional to 354,224.77, 488,486.77 and 224,935.20 is: 310,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,224.77 : 488,486.77 = 224,935.20 : x
  2. Step 2: Convert to fraction form
    354,224.77/488,486.77 = 224,935.20/x
  3. Step 3: Cross multiply
    354,224.77x = 488,486.77 × 224,935.20
  4. Step 4: Simplify right side
    354,224.77x = 109,877,868,744.97
  5. Step 5: Solve for x
    x = 109,877,868,744.97/354,224.77
  6. Step 6: Final answer
    x = 310,192.51

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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.