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Finding the Fourth Proportional to 555,577.06, 766,696.37 and 300,928.25

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Solution

The fourth proportional to 555,577.06, 766,696.37 and 300,928.25 is: 415,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,577.06 : 766,696.37 = 300,928.25 : x
  2. Step 2: Convert to fraction form
    555,577.06/766,696.37 = 300,928.25/x
  3. Step 3: Cross multiply
    555,577.06x = 766,696.37 × 300,928.25
  4. Step 4: Simplify right side
    555,577.06x = 230,720,597,657.77
  5. Step 5: Solve for x
    x = 230,720,597,657.77/555,577.06
  6. Step 6: Final answer
    x = 415,281.00

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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.