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Finding the Fourth Proportional to 507,021.44, 698,880.91 and 343,627.03

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Solution

The fourth proportional to 507,021.44, 698,880.91 and 343,627.03 is: 473,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,021.44 : 698,880.91 = 343,627.03 : x
  2. Step 2: Convert to fraction form
    507,021.44/698,880.91 = 343,627.03/x
  3. Step 3: Cross multiply
    507,021.44x = 698,880.91 × 343,627.03
  4. Step 4: Simplify right side
    507,021.44x = 240,154,366,214.46
  5. Step 5: Solve for x
    x = 240,154,366,214.46/507,021.44
  6. Step 6: Final answer
    x = 473,657.22

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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.