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Finding the Fourth Proportional to 555,959.82, 767,225.88 and 301,310.94

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Solution

The fourth proportional to 555,959.82, 767,225.88 and 301,310.94 is: 415,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,959.82 : 767,225.88 = 301,310.94 : x
  2. Step 2: Convert to fraction form
    555,959.82/767,225.88 = 301,310.94/x
  3. Step 3: Cross multiply
    555,959.82x = 767,225.88 × 301,310.94
  4. Step 4: Simplify right side
    555,959.82x = 231,173,551,095.13
  5. Step 5: Solve for x
    x = 231,173,551,095.13/555,959.82
  6. Step 6: Final answer
    x = 415,809.82

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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.