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Finding the Fourth Proportional to 364,647.80, 503,264.68 and 203,513.23

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Solution

The fourth proportional to 364,647.80, 503,264.68 and 203,513.23 is: 280,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,647.80 : 503,264.68 = 203,513.23 : x
  2. Step 2: Convert to fraction form
    364,647.80/503,264.68 = 203,513.23/x
  3. Step 3: Cross multiply
    364,647.80x = 503,264.68 × 203,513.23
  4. Step 4: Simplify right side
    364,647.80x = 102,421,018,055.39
  5. Step 5: Solve for x
    x = 102,421,018,055.39/364,647.80
  6. Step 6: Final answer
    x = 280,876.56

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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.