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Finding the Fourth Proportional to 531,880.25, 733,994.75 and 340,893.65

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Solution

The fourth proportional to 531,880.25, 733,994.75 and 340,893.65 is: 470,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,880.25 : 733,994.75 = 340,893.65 : x
  2. Step 2: Convert to fraction form
    531,880.25/733,994.75 = 340,893.65/x
  3. Step 3: Cross multiply
    531,880.25x = 733,994.75 × 340,893.65
  4. Step 4: Simplify right side
    531,880.25x = 250,214,144,033.90
  5. Step 5: Solve for x
    x = 250,214,144,033.90/531,880.25
  6. Step 6: Final answer
    x = 470,433.23

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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.