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Finding the Fourth Proportional to 340,735.20, 511,102.80 and 334,174.20

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Solution

The fourth proportional to 340,735.20, 511,102.80 and 334,174.20 is: 501,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,735.20 : 511,102.80 = 334,174.20 : x
  2. Step 2: Convert to fraction form
    340,735.20/511,102.80 = 334,174.20/x
  3. Step 3: Cross multiply
    340,735.20x = 511,102.80 × 334,174.20
  4. Step 4: Simplify right side
    340,735.20x = 170,797,369,307.76
  5. Step 5: Solve for x
    x = 170,797,369,307.76/340,735.20
  6. Step 6: Final answer
    x = 501,261.30

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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.