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Finding the Fourth Proportional to 556,796.33, 768,378.93 and 302,147.52

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Solution

The fourth proportional to 556,796.33, 768,378.93 and 302,147.52 is: 416,963.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,796.33 : 768,378.93 = 302,147.52 : x
  2. Step 2: Convert to fraction form
    556,796.33/768,378.93 = 302,147.52/x
  3. Step 3: Cross multiply
    556,796.33x = 768,378.93 × 302,147.52
  4. Step 4: Simplify right side
    556,796.33x = 232,163,788,275.45
  5. Step 5: Solve for x
    x = 232,163,788,275.45/556,796.33
  6. Step 6: Final answer
    x = 416,963.57

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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.