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Finding the Fourth Proportional to 575,577.12, 794,374.56 and 330,657.60

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Solution

The fourth proportional to 575,577.12, 794,374.56 and 330,657.60 is: 456,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,577.12 : 794,374.56 = 330,657.60 : x
  2. Step 2: Convert to fraction form
    575,577.12/794,374.56 = 330,657.60/x
  3. Step 3: Cross multiply
    575,577.12x = 794,374.56 × 330,657.60
  4. Step 4: Simplify right side
    575,577.12x = 262,665,985,510.66
  5. Step 5: Solve for x
    x = 262,665,985,510.66/575,577.12
  6. Step 6: Final answer
    x = 456,352.37

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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.