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Finding the Fourth Proportional to 702,836.06, 969,914.21 and 380,546.37

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Solution

The fourth proportional to 702,836.06, 969,914.21 and 380,546.37 is: 525,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,836.06 : 969,914.21 = 380,546.37 : x
  2. Step 2: Convert to fraction form
    702,836.06/969,914.21 = 380,546.37/x
  3. Step 3: Cross multiply
    702,836.06x = 969,914.21 × 380,546.37
  4. Step 4: Simplify right side
    702,836.06x = 369,097,329,924.19
  5. Step 5: Solve for x
    x = 369,097,329,924.19/702,836.06
  6. Step 6: Final answer
    x = 525,154.23

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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.