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Finding the Fourth Proportional to 590,520, 814,961.40 and 335,953.20

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Solution

The fourth proportional to 590,520, 814,961.40 and 335,953.20 is: 463,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,520 : 814,961.40 = 335,953.20 : x
  2. Step 2: Convert to fraction form
    590,520/814,961.40 = 335,953.20/x
  3. Step 3: Cross multiply
    590,520x = 814,961.40 × 335,953.20
  4. Step 4: Simplify right side
    590,520x = 273,788,890,206.48
  5. Step 5: Solve for x
    x = 273,788,890,206.48/590,520
  6. Step 6: Final answer
    x = 463,640.33

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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.