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Finding the Fourth Proportional to 556,342.20, 767,752.44 and 301,693.32

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Solution

The fourth proportional to 556,342.20, 767,752.44 and 301,693.32 is: 416,336.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,342.20 : 767,752.44 = 301,693.32 : x
  2. Step 2: Convert to fraction form
    556,342.20/767,752.44 = 301,693.32/x
  3. Step 3: Cross multiply
    556,342.20x = 767,752.44 × 301,693.32
  4. Step 4: Simplify right side
    556,342.20x = 231,625,782,561.70
  5. Step 5: Solve for x
    x = 231,625,782,561.70/556,342.20
  6. Step 6: Final answer
    x = 416,336.89

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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.