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Finding the Fourth Proportional to 493,278.30, 739,917.45 and 465,722.10

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Solution

The fourth proportional to 493,278.30, 739,917.45 and 465,722.10 is: 698,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,278.30 : 739,917.45 = 465,722.10 : x
  2. Step 2: Convert to fraction form
    493,278.30/739,917.45 = 465,722.10/x
  3. Step 3: Cross multiply
    493,278.30x = 739,917.45 × 465,722.10
  4. Step 4: Simplify right side
    493,278.30x = 344,595,908,640.65
  5. Step 5: Solve for x
    x = 344,595,908,640.65/493,278.30
  6. Step 6: Final answer
    x = 698,583.15

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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.