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Finding the Fourth Proportional to 590,084.40, 885,414.60 and 274,378.80

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Solution

The fourth proportional to 590,084.40, 885,414.60 and 274,378.80 is: 411,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,084.40 : 885,414.60 = 274,378.80 : x
  2. Step 2: Convert to fraction form
    590,084.40/885,414.60 = 274,378.80/x
  3. Step 3: Cross multiply
    590,084.40x = 885,414.60 × 274,378.80
  4. Step 4: Simplify right side
    590,084.40x = 242,938,995,450.48
  5. Step 5: Solve for x
    x = 242,938,995,450.48/590,084.40
  6. Step 6: Final answer
    x = 411,702.11

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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.