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Finding the Fourth Proportional to 535,920.90, 803,885.67 and 194,605.62

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Solution

The fourth proportional to 535,920.90, 803,885.67 and 194,605.62 is: 291,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,920.90 : 803,885.67 = 194,605.62 : x
  2. Step 2: Convert to fraction form
    535,920.90/803,885.67 = 194,605.62/x
  3. Step 3: Cross multiply
    535,920.90x = 803,885.67 × 194,605.62
  4. Step 4: Simplify right side
    535,920.90x = 156,440,669,219.47
  5. Step 5: Solve for x
    x = 156,440,669,219.47/535,920.90
  6. Step 6: Final answer
    x = 291,910.00

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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.