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Finding the Fourth Proportional to 649,999.70, 974,999.55 and 567,055.70

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Solution

The fourth proportional to 649,999.70, 974,999.55 and 567,055.70 is: 850,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,999.70 : 974,999.55 = 567,055.70 : x
  2. Step 2: Convert to fraction form
    649,999.70/974,999.55 = 567,055.70/x
  3. Step 3: Cross multiply
    649,999.70x = 974,999.55 × 567,055.70
  4. Step 4: Simplify right side
    649,999.70x = 552,879,052,324.94
  5. Step 5: Solve for x
    x = 552,879,052,324.94/649,999.70
  6. Step 6: Final answer
    x = 850,583.55

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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.