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Finding the Fourth Proportional to 341,307.20, 511,269.60 and 236,244.80

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Solution

The fourth proportional to 341,307.20, 511,269.60 and 236,244.80 is: 353,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,307.20 : 511,269.60 = 236,244.80 : x
  2. Step 2: Convert to fraction form
    341,307.20/511,269.60 = 236,244.80/x
  3. Step 3: Cross multiply
    341,307.20x = 511,269.60 × 236,244.80
  4. Step 4: Simplify right side
    341,307.20x = 120,784,784,398.08
  5. Step 5: Solve for x
    x = 120,784,784,398.08/341,307.20
  6. Step 6: Final answer
    x = 353,888.77

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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.