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Finding the Fourth Proportional to 452,459.00, 678,775.98 and 171,954.38

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Solution

The fourth proportional to 452,459.00, 678,775.98 and 171,954.38 is: 257,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,459.00 : 678,775.98 = 171,954.38 : x
  2. Step 2: Convert to fraction form
    452,459.00/678,775.98 = 171,954.38/x
  3. Step 3: Cross multiply
    452,459.00x = 678,775.98 × 171,954.38
  4. Step 4: Simplify right side
    452,459.00x = 116,718,499,405.91
  5. Step 5: Solve for x
    x = 116,718,499,405.91/452,459.00
  6. Step 6: Final answer
    x = 257,964.81

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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.