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Finding the Fourth Proportional to 575,373.78, 794,356.02 and 511,534.89

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Solution

The fourth proportional to 575,373.78, 794,356.02 and 511,534.89 is: 706,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,373.78 : 794,356.02 = 511,534.89 : x
  2. Step 2: Convert to fraction form
    575,373.78/794,356.02 = 511,534.89/x
  3. Step 3: Cross multiply
    575,373.78x = 794,356.02 × 511,534.89
  4. Step 4: Simplify right side
    575,373.78x = 406,340,819,311.54
  5. Step 5: Solve for x
    x = 406,340,819,311.54/575,373.78
  6. Step 6: Final answer
    x = 706,220.61

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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.