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Finding the Fourth Proportional to 556,189.32, 767,483.82 and 341,338.44

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Solution

The fourth proportional to 556,189.32, 767,483.82 and 341,338.44 is: 471,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,189.32 : 767,483.82 = 341,338.44 : x
  2. Step 2: Convert to fraction form
    556,189.32/767,483.82 = 341,338.44/x
  3. Step 3: Cross multiply
    556,189.32x = 767,483.82 × 341,338.44
  4. Step 4: Simplify right side
    556,189.32x = 261,971,729,844.04
  5. Step 5: Solve for x
    x = 261,971,729,844.04/556,189.32
  6. Step 6: Final answer
    x = 471,011.79

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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.