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Finding the Fourth Proportional to 502,021.10, 753,614.85 and 302,566.70

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Solution

The fourth proportional to 502,021.10, 753,614.85 and 302,566.70 is: 454,201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,021.10 : 753,614.85 = 302,566.70 : x
  2. Step 2: Convert to fraction form
    502,021.10/753,614.85 = 302,566.70/x
  3. Step 3: Cross multiply
    502,021.10x = 753,614.85 × 302,566.70
  4. Step 4: Simplify right side
    502,021.10x = 228,018,758,235.50
  5. Step 5: Solve for x
    x = 228,018,758,235.50/502,021.10
  6. Step 6: Final answer
    x = 454,201.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.