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Finding the Fourth Proportional to 881,014.70, 1,235,908.90 and 881,014.70

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Solution

The fourth proportional to 881,014.70, 1,235,908.90 and 881,014.70 is: 1,235,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,014.70 : 1,235,908.90 = 881,014.70 : x
  2. Step 2: Convert to fraction form
    881,014.70/1,235,908.90 = 881,014.70/x
  3. Step 3: Cross multiply
    881,014.70x = 1,235,908.90 × 881,014.70
  4. Step 4: Simplify right side
    881,014.70x = 1,088,853,908,760.83
  5. Step 5: Solve for x
    x = 1,088,853,908,760.83/881,014.70
  6. Step 6: Final answer
    x = 1,235,908.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.