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Finding the Fourth Proportional to 469,247.55, 704,047.22 and 216,649.05

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Solution

The fourth proportional to 469,247.55, 704,047.22 and 216,649.05 is: 325,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,247.55 : 704,047.22 = 216,649.05 : x
  2. Step 2: Convert to fraction form
    469,247.55/704,047.22 = 216,649.05/x
  3. Step 3: Cross multiply
    469,247.55x = 704,047.22 × 216,649.05
  4. Step 4: Simplify right side
    469,247.55x = 152,531,161,368.14
  5. Step 5: Solve for x
    x = 152,531,161,368.14/469,247.55
  6. Step 6: Final answer
    x = 325,054.78

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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.