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Finding the Fourth Proportional to 454,798.80, 681,447.33 and 276,767.28

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Solution

The fourth proportional to 454,798.80, 681,447.33 and 276,767.28 is: 414,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,798.80 : 681,447.33 = 276,767.28 : x
  2. Step 2: Convert to fraction form
    454,798.80/681,447.33 = 276,767.28/x
  3. Step 3: Cross multiply
    454,798.80x = 681,447.33 × 276,767.28
  4. Step 4: Simplify right side
    454,798.80x = 188,602,323,987.36
  5. Step 5: Solve for x
    x = 188,602,323,987.36/454,798.80
  6. Step 6: Final answer
    x = 414,693.98

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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.