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Finding the Fourth Proportional to 364,103.40, 502,401.78 and 202,923.24

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Solution

The fourth proportional to 364,103.40, 502,401.78 and 202,923.24 is: 280,000.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,103.40 : 502,401.78 = 202,923.24 : x
  2. Step 2: Convert to fraction form
    364,103.40/502,401.78 = 202,923.24/x
  3. Step 3: Cross multiply
    364,103.40x = 502,401.78 × 202,923.24
  4. Step 4: Simplify right side
    364,103.40x = 101,948,996,979.37
  5. Step 5: Solve for x
    x = 101,948,996,979.37/364,103.40
  6. Step 6: Final answer
    x = 280,000.12

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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.