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Finding the Fourth Proportional to 469,459.99, 704,170.41 and 216,656.47

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Solution

The fourth proportional to 469,459.99, 704,170.41 and 216,656.47 is: 324,975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,459.99 : 704,170.41 = 216,656.47 : x
  2. Step 2: Convert to fraction form
    469,459.99/704,170.41 = 216,656.47/x
  3. Step 3: Cross multiply
    469,459.99x = 704,170.41 × 216,656.47
  4. Step 4: Simplify right side
    469,459.99x = 152,563,075,309.05
  5. Step 5: Solve for x
    x = 152,563,075,309.05/469,459.99
  6. Step 6: Final answer
    x = 324,975.67

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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.