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Finding the Fourth Proportional to 354,793.50, 489,615.03 and 241,813.62

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Solution

The fourth proportional to 354,793.50, 489,615.03 and 241,813.62 is: 333,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,793.50 : 489,615.03 = 241,813.62 : x
  2. Step 2: Convert to fraction form
    354,793.50/489,615.03 = 241,813.62/x
  3. Step 3: Cross multiply
    354,793.50x = 489,615.03 × 241,813.62
  4. Step 4: Simplify right side
    354,793.50x = 118,395,582,810.71
  5. Step 5: Solve for x
    x = 118,395,582,810.71/354,793.50
  6. Step 6: Final answer
    x = 333,702.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.