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Finding the Fourth Proportional to 340,801.80, 511,202.70 and 234,513.60

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Solution

The fourth proportional to 340,801.80, 511,202.70 and 234,513.60 is: 351,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,801.80 : 511,202.70 = 234,513.60 : x
  2. Step 2: Convert to fraction form
    340,801.80/511,202.70 = 234,513.60/x
  3. Step 3: Cross multiply
    340,801.80x = 511,202.70 × 234,513.60
  4. Step 4: Simplify right side
    340,801.80x = 119,883,985,506.72
  5. Step 5: Solve for x
    x = 119,883,985,506.72/340,801.80
  6. Step 6: Final answer
    x = 351,770.40

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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.