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Finding the Fourth Proportional to 577,936.16, 797,712.20 and 336,265.42

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Solution

The fourth proportional to 577,936.16, 797,712.20 and 336,265.42 is: 464,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,936.16 : 797,712.20 = 336,265.42 : x
  2. Step 2: Convert to fraction form
    577,936.16/797,712.20 = 336,265.42/x
  3. Step 3: Cross multiply
    577,936.16x = 797,712.20 × 336,265.42
  4. Step 4: Simplify right side
    577,936.16x = 268,243,027,972.12
  5. Step 5: Solve for x
    x = 268,243,027,972.12/577,936.16
  6. Step 6: Final answer
    x = 464,139.55

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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.