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Finding the Fourth Proportional to 364,955.63, 503,638.76 and 201,611.33

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Solution

The fourth proportional to 364,955.63, 503,638.76 and 201,611.33 is: 278,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,955.63 : 503,638.76 = 201,611.33 : x
  2. Step 2: Convert to fraction form
    364,955.63/503,638.76 = 201,611.33/x
  3. Step 3: Cross multiply
    364,955.63x = 503,638.76 × 201,611.33
  4. Step 4: Simplify right side
    364,955.63x = 101,539,280,117.63
  5. Step 5: Solve for x
    x = 101,539,280,117.63/364,955.63
  6. Step 6: Final answer
    x = 278,223.63

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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.