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Finding the Fourth Proportional to 550,166.70, 759,231.98 and 346,352.48

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Solution

The fourth proportional to 550,166.70, 759,231.98 and 346,352.48 is: 477,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,166.70 : 759,231.98 = 346,352.48 : x
  2. Step 2: Convert to fraction form
    550,166.70/759,231.98 = 346,352.48/x
  3. Step 3: Cross multiply
    550,166.70x = 759,231.98 × 346,352.48
  4. Step 4: Simplify right side
    550,166.70x = 262,961,879,168.31
  5. Step 5: Solve for x
    x = 262,961,879,168.31/550,166.70
  6. Step 6: Final answer
    x = 477,967.64

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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.