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Finding the Fourth Proportional to 739,745.11, 1,020,790.11 and 453,226.24

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Solution

The fourth proportional to 739,745.11, 1,020,790.11 and 453,226.24 is: 625,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,745.11 : 1,020,790.11 = 453,226.24 : x
  2. Step 2: Convert to fraction form
    739,745.11/1,020,790.11 = 453,226.24/x
  3. Step 3: Cross multiply
    739,745.11x = 1,020,790.11 × 453,226.24
  4. Step 4: Simplify right side
    739,745.11x = 462,648,863,384.49
  5. Step 5: Solve for x
    x = 462,648,863,384.49/739,745.11
  6. Step 6: Final answer
    x = 625,416.59

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Double scale
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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.