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Finding the Fourth Proportional to 434,563.30, 651,650.55 and 168,235.30

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Solution

The fourth proportional to 434,563.30, 651,650.55 and 168,235.30 is: 252,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,563.30 : 651,650.55 = 168,235.30 : x
  2. Step 2: Convert to fraction form
    434,563.30/651,650.55 = 168,235.30/x
  3. Step 3: Cross multiply
    434,563.30x = 651,650.55 × 168,235.30
  4. Step 4: Simplify right side
    434,563.30x = 109,630,625,774.42
  5. Step 5: Solve for x
    x = 109,630,625,774.42/434,563.30
  6. Step 6: Final answer
    x = 252,277.69

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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.