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Finding the Fourth Proportional to 543,842.55, 815,763.83 and 463,360.95

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Solution

The fourth proportional to 543,842.55, 815,763.83 and 463,360.95 is: 695,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,842.55 : 815,763.83 = 463,360.95 : x
  2. Step 2: Convert to fraction form
    543,842.55/815,763.83 = 463,360.95/x
  3. Step 3: Cross multiply
    543,842.55x = 815,763.83 × 463,360.95
  4. Step 4: Simplify right side
    543,842.55x = 377,993,100,927.63
  5. Step 5: Solve for x
    x = 377,993,100,927.63/543,842.55
  6. Step 6: Final answer
    x = 695,041.43

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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.