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Finding the Fourth Proportional to 768,069.48, 1,152,111.06 and 235,593

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Solution

The fourth proportional to 768,069.48, 1,152,111.06 and 235,593 is: 353,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,069.48 : 1,152,111.06 = 235,593 : x
  2. Step 2: Convert to fraction form
    768,069.48/1,152,111.06 = 235,593/x
  3. Step 3: Cross multiply
    768,069.48x = 1,152,111.06 × 235,593
  4. Step 4: Simplify right side
    768,069.48x = 271,429,300,958.58
  5. Step 5: Solve for x
    x = 271,429,300,958.58/768,069.48
  6. Step 6: Final answer
    x = 353,391.60

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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.