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Finding the Fourth Proportional to 575,384.11, 794,370.29 and 511,545.28

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Solution

The fourth proportional to 575,384.11, 794,370.29 and 511,545.28 is: 706,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,384.11 : 794,370.29 = 511,545.28 : x
  2. Step 2: Convert to fraction form
    575,384.11/794,370.29 = 511,545.28/x
  3. Step 3: Cross multiply
    575,384.11x = 794,370.29 × 511,545.28
  4. Step 4: Simplify right side
    575,384.11x = 406,356,372,421.73
  5. Step 5: Solve for x
    x = 406,356,372,421.73/575,384.11
  6. Step 6: Final answer
    x = 706,234.96

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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.