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Finding the Fourth Proportional to 305,443.48, 460,224.91 and 253,292.44

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Solution

The fourth proportional to 305,443.48, 460,224.91 and 253,292.44 is: 381,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,443.48 : 460,224.91 = 253,292.44 : x
  2. Step 2: Convert to fraction form
    305,443.48/460,224.91 = 253,292.44/x
  3. Step 3: Cross multiply
    305,443.48x = 460,224.91 × 253,292.44
  4. Step 4: Simplify right side
    305,443.48x = 116,571,490,402.68
  5. Step 5: Solve for x
    x = 116,571,490,402.68/305,443.48
  6. Step 6: Final answer
    x = 381,646.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.