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Finding the Fourth Proportional to 338,940.74, 468,357.06 and 246,899.78

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Solution

The fourth proportional to 338,940.74, 468,357.06 and 246,899.78 is: 341,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,940.74 : 468,357.06 = 246,899.78 : x
  2. Step 2: Convert to fraction form
    338,940.74/468,357.06 = 246,899.78/x
  3. Step 3: Cross multiply
    338,940.74x = 468,357.06 × 246,899.78
  4. Step 4: Simplify right side
    338,940.74x = 115,637,255,075.45
  5. Step 5: Solve for x
    x = 115,637,255,075.45/338,940.74
  6. Step 6: Final answer
    x = 341,172.49

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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.