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Finding the Fourth Proportional to 364,955.70, 503,633.80 and 212,080.26

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Solution

The fourth proportional to 364,955.70, 503,633.80 and 212,080.26 is: 292,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,955.70 : 503,633.80 = 212,080.26 : x
  2. Step 2: Convert to fraction form
    364,955.70/503,633.80 = 212,080.26/x
  3. Step 3: Cross multiply
    364,955.70x = 503,633.80 × 212,080.26
  4. Step 4: Simplify right side
    364,955.70x = 106,810,787,248.79
  5. Step 5: Solve for x
    x = 106,810,787,248.79/364,955.70
  6. Step 6: Final answer
    x = 292,667.81

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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.