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Finding the Fourth Proportional to 575,040.03, 793,560.74 and 316,926.33

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Solution

The fourth proportional to 575,040.03, 793,560.74 and 316,926.33 is: 437,361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,040.03 : 793,560.74 = 316,926.33 : x
  2. Step 2: Convert to fraction form
    575,040.03/793,560.74 = 316,926.33/x
  3. Step 3: Cross multiply
    575,040.03x = 793,560.74 × 316,926.33
  4. Step 4: Simplify right side
    575,040.03x = 251,500,291,375.65
  5. Step 5: Solve for x
    x = 251,500,291,375.65/575,040.03
  6. Step 6: Final answer
    x = 437,361.36

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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.