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Finding the Fourth Proportional to 307,297.80, 460,946.70 and 254,809.80

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Solution

The fourth proportional to 307,297.80, 460,946.70 and 254,809.80 is: 382,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,297.80 : 460,946.70 = 254,809.80 : x
  2. Step 2: Convert to fraction form
    307,297.80/460,946.70 = 254,809.80/x
  3. Step 3: Cross multiply
    307,297.80x = 460,946.70 × 254,809.80
  4. Step 4: Simplify right side
    307,297.80x = 117,453,736,437.66
  5. Step 5: Solve for x
    x = 117,453,736,437.66/307,297.80
  6. Step 6: Final answer
    x = 382,214.70

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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.