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Finding the Fourth Proportional to 702,074.85, 968,868.01 and 430,143.27

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Solution

The fourth proportional to 702,074.85, 968,868.01 and 430,143.27 is: 593,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,074.85 : 968,868.01 = 430,143.27 : x
  2. Step 2: Convert to fraction form
    702,074.85/968,868.01 = 430,143.27/x
  3. Step 3: Cross multiply
    702,074.85x = 968,868.01 × 430,143.27
  4. Step 4: Simplify right side
    702,074.85x = 416,752,054,019.79
  5. Step 5: Solve for x
    x = 416,752,054,019.79/702,074.85
  6. Step 6: Final answer
    x = 593,600.60

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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.