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Finding the Fourth Proportional to 702,941.13, 970,063.37 and 380,651.24

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Solution

The fourth proportional to 702,941.13, 970,063.37 and 380,651.24 is: 525,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,941.13 : 970,063.37 = 380,651.24 : x
  2. Step 2: Convert to fraction form
    702,941.13/970,063.37 = 380,651.24/x
  3. Step 3: Cross multiply
    702,941.13x = 970,063.37 × 380,651.24
  4. Step 4: Simplify right side
    702,941.13x = 369,255,824,669.08
  5. Step 5: Solve for x
    x = 369,255,824,669.08/702,941.13
  6. Step 6: Final answer
    x = 525,301.21

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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.