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Finding the Fourth Proportional to 834,695.10, 1,252,079.10 and 273,729.60

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Solution

The fourth proportional to 834,695.10, 1,252,079.10 and 273,729.60 is: 410,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,695.10 : 1,252,079.10 = 273,729.60 : x
  2. Step 2: Convert to fraction form
    834,695.10/1,252,079.10 = 273,729.60/x
  3. Step 3: Cross multiply
    834,695.10x = 1,252,079.10 × 273,729.60
  4. Step 4: Simplify right side
    834,695.10x = 342,731,111,211.36
  5. Step 5: Solve for x
    x = 342,731,111,211.36/834,695.10
  6. Step 6: Final answer
    x = 410,606.35

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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.