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Finding the Fourth Proportional to 655,448.67, 904,798.77 and 440,713.22

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Solution

The fourth proportional to 655,448.67, 904,798.77 and 440,713.22 is: 608,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,448.67 : 904,798.77 = 440,713.22 : x
  2. Step 2: Convert to fraction form
    655,448.67/904,798.77 = 440,713.22/x
  3. Step 3: Cross multiply
    655,448.67x = 904,798.77 × 440,713.22
  4. Step 4: Simplify right side
    655,448.67x = 398,756,774,854.75
  5. Step 5: Solve for x
    x = 398,756,774,854.75/655,448.67
  6. Step 6: Final answer
    x = 608,372.24

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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.