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Finding the Fourth Proportional to 338,711.00, 508,406.69 and 301,007.12

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Solution

The fourth proportional to 338,711.00, 508,406.69 and 301,007.12 is: 451,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,711.00 : 508,406.69 = 301,007.12 : x
  2. Step 2: Convert to fraction form
    338,711.00/508,406.69 = 301,007.12/x
  3. Step 3: Cross multiply
    338,711.00x = 508,406.69 × 301,007.12
  4. Step 4: Simplify right side
    338,711.00x = 153,034,031,756.12
  5. Step 5: Solve for x
    x = 153,034,031,756.12/338,711.00
  6. Step 6: Final answer
    x = 451,813.00

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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.