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Finding the Fourth Proportional to 341,404.80, 512,690.40 and 183,940.80

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Solution

The fourth proportional to 341,404.80, 512,690.40 and 183,940.80 is: 276,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,404.80 : 512,690.40 = 183,940.80 : x
  2. Step 2: Convert to fraction form
    341,404.80/512,690.40 = 183,940.80/x
  3. Step 3: Cross multiply
    341,404.80x = 512,690.40 × 183,940.80
  4. Step 4: Simplify right side
    341,404.80x = 94,304,682,328.32
  5. Step 5: Solve for x
    x = 94,304,682,328.32/341,404.80
  6. Step 6: Final answer
    x = 276,225.41

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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.