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Finding the Fourth Proportional to 489,202.10, 733,803.15 and 236,603.60

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Solution

The fourth proportional to 489,202.10, 733,803.15 and 236,603.60 is: 354,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,202.10 : 733,803.15 = 236,603.60 : x
  2. Step 2: Convert to fraction form
    489,202.10/733,803.15 = 236,603.60/x
  3. Step 3: Cross multiply
    489,202.10x = 733,803.15 × 236,603.60
  4. Step 4: Simplify right side
    489,202.10x = 173,620,466,981.34
  5. Step 5: Solve for x
    x = 173,620,466,981.34/489,202.10
  6. Step 6: Final answer
    x = 354,905.40

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Similar ratio
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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.