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Finding the Fourth Proportional to 575,383.11, 794,368.91 and 511,544.28

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Solution

The fourth proportional to 575,383.11, 794,368.91 and 511,544.28 is: 706,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,383.11 : 794,368.91 = 511,544.28 : x
  2. Step 2: Convert to fraction form
    575,383.11/794,368.91 = 511,544.28/x
  3. Step 3: Cross multiply
    575,383.11x = 794,368.91 × 511,544.28
  4. Step 4: Simplify right side
    575,383.11x = 406,354,872,120.34
  5. Step 5: Solve for x
    x = 406,354,872,120.34/575,383.11
  6. Step 6: Final answer
    x = 706,233.58

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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.