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Finding the Fourth Proportional to 364,646, 503,236.72 and 203,532.40

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Solution

The fourth proportional to 364,646, 503,236.72 and 203,532.40 is: 280,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,646 : 503,236.72 = 203,532.40 : x
  2. Step 2: Convert to fraction form
    364,646/503,236.72 = 203,532.40/x
  3. Step 3: Cross multiply
    364,646x = 503,236.72 × 203,532.40
  4. Step 4: Simplify right side
    364,646x = 102,424,977,389.73
  5. Step 5: Solve for x
    x = 102,424,977,389.73/364,646
  6. Step 6: Final answer
    x = 280,888.80

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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.