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Finding the Fourth Proportional to 448,292.04, 672,438.54 and 259,040.52

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Solution

The fourth proportional to 448,292.04, 672,438.54 and 259,040.52 is: 388,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,292.04 : 672,438.54 = 259,040.52 : x
  2. Step 2: Convert to fraction form
    448,292.04/672,438.54 = 259,040.52/x
  3. Step 3: Cross multiply
    448,292.04x = 672,438.54 × 259,040.52
  4. Step 4: Simplify right side
    448,292.04x = 174,188,829,069.64
  5. Step 5: Solve for x
    x = 174,188,829,069.64/448,292.04
  6. Step 6: Final answer
    x = 388,561.06

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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.