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Finding the Fourth Proportional to 662,503.80, 993,755.70 and 603,406.20

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Solution

The fourth proportional to 662,503.80, 993,755.70 and 603,406.20 is: 905,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,503.80 : 993,755.70 = 603,406.20 : x
  2. Step 2: Convert to fraction form
    662,503.80/993,755.70 = 603,406.20/x
  3. Step 3: Cross multiply
    662,503.80x = 993,755.70 × 603,406.20
  4. Step 4: Simplify right side
    662,503.80x = 599,638,350,665.34
  5. Step 5: Solve for x
    x = 599,638,350,665.34/662,503.80
  6. Step 6: Final answer
    x = 905,109.30

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Double scale
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Similar ratio
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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.