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Finding the Fourth Proportional to 439,574.40, 658,875.60 and 173,246.40

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Solution

The fourth proportional to 439,574.40, 658,875.60 and 173,246.40 is: 259,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,574.40 : 658,875.60 = 173,246.40 : x
  2. Step 2: Convert to fraction form
    439,574.40/658,875.60 = 173,246.40/x
  3. Step 3: Cross multiply
    439,574.40x = 658,875.60 × 173,246.40
  4. Step 4: Simplify right side
    439,574.40x = 114,147,825,747.84
  5. Step 5: Solve for x
    x = 114,147,825,747.84/439,574.40
  6. Step 6: Final answer
    x = 259,678.06

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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.