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Finding the Fourth Proportional to 599,783.10, 898,216.65 and 318,680.70

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Solution

The fourth proportional to 599,783.10, 898,216.65 and 318,680.70 is: 477,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,783.10 : 898,216.65 = 318,680.70 : x
  2. Step 2: Convert to fraction form
    599,783.10/898,216.65 = 318,680.70/x
  3. Step 3: Cross multiply
    599,783.10x = 898,216.65 × 318,680.70
  4. Step 4: Simplify right side
    599,783.10x = 286,244,310,773.66
  5. Step 5: Solve for x
    x = 286,244,310,773.66/599,783.10
  6. Step 6: Final answer
    x = 477,246.38

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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.