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Finding the Fourth Proportional to 648,803.54, 973,205.31 and 333,084.98

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Solution

The fourth proportional to 648,803.54, 973,205.31 and 333,084.98 is: 499,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,803.54 : 973,205.31 = 333,084.98 : x
  2. Step 2: Convert to fraction form
    648,803.54/973,205.31 = 333,084.98/x
  3. Step 3: Cross multiply
    648,803.54x = 973,205.31 × 333,084.98
  4. Step 4: Simplify right side
    648,803.54x = 324,160,071,217.24
  5. Step 5: Solve for x
    x = 324,160,071,217.24/648,803.54
  6. Step 6: Final answer
    x = 499,627.47

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Double scale
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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.