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Finding the Fourth Proportional to 575,172.88, 793,705.56 and 330,105.76

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Solution

The fourth proportional to 575,172.88, 793,705.56 and 330,105.76 is: 455,527.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,172.88 : 793,705.56 = 330,105.76 : x
  2. Step 2: Convert to fraction form
    575,172.88/793,705.56 = 330,105.76/x
  3. Step 3: Cross multiply
    575,172.88x = 793,705.56 × 330,105.76
  4. Step 4: Simplify right side
    575,172.88x = 262,006,777,100.03
  5. Step 5: Solve for x
    x = 262,006,777,100.03/575,172.88
  6. Step 6: Final answer
    x = 455,527.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.