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Finding the Fourth Proportional to 575,753.16, 794,860.56 and 404,197.56

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Solution

The fourth proportional to 575,753.16, 794,860.56 and 404,197.56 is: 558,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,753.16 : 794,860.56 = 404,197.56 : x
  2. Step 2: Convert to fraction form
    575,753.16/794,860.56 = 404,197.56/x
  3. Step 3: Cross multiply
    575,753.16x = 794,860.56 × 404,197.56
  4. Step 4: Simplify right side
    575,753.16x = 321,280,698,892.23
  5. Step 5: Solve for x
    x = 321,280,698,892.23/575,753.16
  6. Step 6: Final answer
    x = 558,018.13

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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.