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Finding the Fourth Proportional to 507,020.94, 698,880.22 and 343,626.53

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Solution

The fourth proportional to 507,020.94, 698,880.22 and 343,626.53 is: 473,656.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,020.94 : 698,880.22 = 343,626.53 : x
  2. Step 2: Convert to fraction form
    507,020.94/698,880.22 = 343,626.53/x
  3. Step 3: Cross multiply
    507,020.94x = 698,880.22 × 343,626.53
  4. Step 4: Simplify right side
    507,020.94x = 240,153,780,530.77
  5. Step 5: Solve for x
    x = 240,153,780,530.77/507,020.94
  6. Step 6: Final answer
    x = 473,656.53

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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.