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Finding the Fourth Proportional to 446,774.05, 616,561.95 and 255,848.95

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Solution

The fourth proportional to 446,774.05, 616,561.95 and 255,848.95 is: 353,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,774.05 : 616,561.95 = 255,848.95 : x
  2. Step 2: Convert to fraction form
    446,774.05/616,561.95 = 255,848.95/x
  3. Step 3: Cross multiply
    446,774.05x = 616,561.95 × 255,848.95
  4. Step 4: Simplify right side
    446,774.05x = 157,746,727,517.45
  5. Step 5: Solve for x
    x = 157,746,727,517.45/446,774.05
  6. Step 6: Final answer
    x = 353,079.43

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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.