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Finding the Fourth Proportional to 511,668.96, 705,885.36 and 375,466.28

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Solution

The fourth proportional to 511,668.96, 705,885.36 and 375,466.28 is: 517,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,668.96 : 705,885.36 = 375,466.28 : x
  2. Step 2: Convert to fraction form
    511,668.96/705,885.36 = 375,466.28/x
  3. Step 3: Cross multiply
    511,668.96x = 705,885.36 × 375,466.28
  4. Step 4: Simplify right side
    511,668.96x = 265,036,150,225.66
  5. Step 5: Solve for x
    x = 265,036,150,225.66/511,668.96
  6. Step 6: Final answer
    x = 517,983.64

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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.