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Finding the Fourth Proportional to 556,359.44, 767,776.44 and 301,710.56

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Solution

The fourth proportional to 556,359.44, 767,776.44 and 301,710.56 is: 416,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,359.44 : 767,776.44 = 301,710.56 : x
  2. Step 2: Convert to fraction form
    556,359.44/767,776.44 = 301,710.56/x
  3. Step 3: Cross multiply
    556,359.44x = 767,776.44 × 301,710.56
  4. Step 4: Simplify right side
    556,359.44x = 231,646,259,667.21
  5. Step 5: Solve for x
    x = 231,646,259,667.21/556,359.44
  6. Step 6: Final answer
    x = 416,360.80

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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.