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Finding the Fourth Proportional to 704,761.39, 973,039.03 and 418,373.47

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Solution

The fourth proportional to 704,761.39, 973,039.03 and 418,373.47 is: 577,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,761.39 : 973,039.03 = 418,373.47 : x
  2. Step 2: Convert to fraction form
    704,761.39/973,039.03 = 418,373.47/x
  3. Step 3: Cross multiply
    704,761.39x = 973,039.03 × 418,373.47
  4. Step 4: Simplify right side
    704,761.39x = 407,093,715,426.53
  5. Step 5: Solve for x
    x = 407,093,715,426.53/704,761.39
  6. Step 6: Final answer
    x = 577,633.40

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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.