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Finding the Fourth Proportional to 540,377.90, 745,812.22 and 365,868.94

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Solution

The fourth proportional to 540,377.90, 745,812.22 and 365,868.94 is: 504,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,377.90 : 745,812.22 = 365,868.94 : x
  2. Step 2: Convert to fraction form
    540,377.90/745,812.22 = 365,868.94/x
  3. Step 3: Cross multiply
    540,377.90x = 745,812.22 × 365,868.94
  4. Step 4: Simplify right side
    540,377.90x = 272,869,526,370.45
  5. Step 5: Solve for x
    x = 272,869,526,370.45/540,377.90
  6. Step 6: Final answer
    x = 504,960.56

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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.