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Finding the Fourth Proportional to 489,114.90, 733,672.35 and 223,394.40

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Solution

The fourth proportional to 489,114.90, 733,672.35 and 223,394.40 is: 335,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,114.90 : 733,672.35 = 223,394.40 : x
  2. Step 2: Convert to fraction form
    489,114.90/733,672.35 = 223,394.40/x
  3. Step 3: Cross multiply
    489,114.90x = 733,672.35 × 223,394.40
  4. Step 4: Simplify right side
    489,114.90x = 163,898,294,424.84
  5. Step 5: Solve for x
    x = 163,898,294,424.84/489,114.90
  6. Step 6: Final answer
    x = 335,091.60

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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.