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Finding the Fourth Proportional to 464,816.85, 641,511.60 and 260,879.91

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Solution

The fourth proportional to 464,816.85, 641,511.60 and 260,879.91 is: 360,050.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,816.85 : 641,511.60 = 260,879.91 : x
  2. Step 2: Convert to fraction form
    464,816.85/641,511.60 = 260,879.91/x
  3. Step 3: Cross multiply
    464,816.85x = 641,511.60 × 260,879.91
  4. Step 4: Simplify right side
    464,816.85x = 167,357,488,471.96
  5. Step 5: Solve for x
    x = 167,357,488,471.96/464,816.85
  6. Step 6: Final answer
    x = 360,050.39

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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.