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Finding the Fourth Proportional to 341,404.40, 512,106.60 and 235,116.20

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Solution

The fourth proportional to 341,404.40, 512,106.60 and 235,116.20 is: 352,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,404.40 : 512,106.60 = 235,116.20 : x
  2. Step 2: Convert to fraction form
    341,404.40/512,106.60 = 235,116.20/x
  3. Step 3: Cross multiply
    341,404.40x = 512,106.60 × 235,116.20
  4. Step 4: Simplify right side
    341,404.40x = 120,404,557,786.92
  5. Step 5: Solve for x
    x = 120,404,557,786.92/341,404.40
  6. Step 6: Final answer
    x = 352,674.30

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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.