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Finding the Fourth Proportional to 575,990.49, 862,312.45 and 335,370.37

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Solution

The fourth proportional to 575,990.49, 862,312.45 and 335,370.37 is: 502,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,990.49 : 862,312.45 = 335,370.37 : x
  2. Step 2: Convert to fraction form
    575,990.49/862,312.45 = 335,370.37/x
  3. Step 3: Cross multiply
    575,990.49x = 862,312.45 × 335,370.37
  4. Step 4: Simplify right side
    575,990.49x = 289,194,044,663.56
  5. Step 5: Solve for x
    x = 289,194,044,663.56/575,990.49
  6. Step 6: Final answer
    x = 502,081.29

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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.