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Finding the Fourth Proportional to 341,570.20, 512,355.30 and 229,595.80

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Solution

The fourth proportional to 341,570.20, 512,355.30 and 229,595.80 is: 344,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,570.20 : 512,355.30 = 229,595.80 : x
  2. Step 2: Convert to fraction form
    341,570.20/512,355.30 = 229,595.80/x
  3. Step 3: Cross multiply
    341,570.20x = 512,355.30 × 229,595.80
  4. Step 4: Simplify right side
    341,570.20x = 117,634,624,987.74
  5. Step 5: Solve for x
    x = 117,634,624,987.74/341,570.20
  6. Step 6: Final answer
    x = 344,393.70

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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.