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Finding the Fourth Proportional to 682,993.18, 942,531.99 and 377,070.15

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Solution

The fourth proportional to 682,993.18, 942,531.99 and 377,070.15 is: 520,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,993.18 : 942,531.99 = 377,070.15 : x
  2. Step 2: Convert to fraction form
    682,993.18/942,531.99 = 377,070.15/x
  3. Step 3: Cross multiply
    682,993.18x = 942,531.99 × 377,070.15
  4. Step 4: Simplify right side
    682,993.18x = 355,400,680,638.34
  5. Step 5: Solve for x
    x = 355,400,680,638.34/682,993.18
  6. Step 6: Final answer
    x = 520,357.58

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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.