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Finding the Fourth Proportional to 834,364.10, 1,251,483.23 and 265,722.23

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Solution

The fourth proportional to 834,364.10, 1,251,483.23 and 265,722.23 is: 398,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,364.10 : 1,251,483.23 = 265,722.23 : x
  2. Step 2: Convert to fraction form
    834,364.10/1,251,483.23 = 265,722.23/x
  3. Step 3: Cross multiply
    834,364.10x = 1,251,483.23 × 265,722.23
  4. Step 4: Simplify right side
    834,364.10x = 332,546,907,097.18
  5. Step 5: Solve for x
    x = 332,546,907,097.18/834,364.10
  6. Step 6: Final answer
    x = 398,563.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.