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Finding the Fourth Proportional to 702,994.75, 970,127.68 and 380,697.37

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Solution

The fourth proportional to 702,994.75, 970,127.68 and 380,697.37 is: 525,359.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,994.75 : 970,127.68 = 380,697.37 : x
  2. Step 2: Convert to fraction form
    702,994.75/970,127.68 = 380,697.37/x
  3. Step 3: Cross multiply
    702,994.75x = 970,127.68 × 380,697.37
  4. Step 4: Simplify right side
    702,994.75x = 369,325,049,586.08
  5. Step 5: Solve for x
    x = 369,325,049,586.08/702,994.75
  6. Step 6: Final answer
    x = 525,359.62

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1.5x scale

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.