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Finding the Fourth Proportional to 477,476.28, 658,920.60 and 259,684.92

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Solution

The fourth proportional to 477,476.28, 658,920.60 and 259,684.92 is: 358,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,476.28 : 658,920.60 = 259,684.92 : x
  2. Step 2: Convert to fraction form
    477,476.28/658,920.60 = 259,684.92/x
  3. Step 3: Cross multiply
    477,476.28x = 658,920.60 × 259,684.92
  4. Step 4: Simplify right side
    477,476.28x = 171,111,743,297.35
  5. Step 5: Solve for x
    x = 171,111,743,297.35/477,476.28
  6. Step 6: Final answer
    x = 358,367.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.