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Finding the Fourth Proportional to 565,051.86, 779,976.27 and 374,126.76

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Solution

The fourth proportional to 565,051.86, 779,976.27 and 374,126.76 is: 516,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,051.86 : 779,976.27 = 374,126.76 : x
  2. Step 2: Convert to fraction form
    565,051.86/779,976.27 = 374,126.76/x
  3. Step 3: Cross multiply
    565,051.86x = 779,976.27 × 374,126.76
  4. Step 4: Simplify right side
    565,051.86x = 291,809,994,771.99
  5. Step 5: Solve for x
    x = 291,809,994,771.99/565,051.86
  6. Step 6: Final answer
    x = 516,430.46

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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.