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Finding the Fourth Proportional to 489,213.60, 733,820.40 and 173,702.40

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Solution

The fourth proportional to 489,213.60, 733,820.40 and 173,702.40 is: 260,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,213.60 : 733,820.40 = 173,702.40 : x
  2. Step 2: Convert to fraction form
    489,213.60/733,820.40 = 173,702.40/x
  3. Step 3: Cross multiply
    489,213.60x = 733,820.40 × 173,702.40
  4. Step 4: Simplify right side
    489,213.60x = 127,466,364,648.96
  5. Step 5: Solve for x
    x = 127,466,364,648.96/489,213.60
  6. Step 6: Final answer
    x = 260,553.60

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1.5x scale

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.