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Finding the Fourth Proportional to 634,604.40, 875,813.94 and 362,619.59

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Solution

The fourth proportional to 634,604.40, 875,813.94 and 362,619.59 is: 500,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,604.40 : 875,813.94 = 362,619.59 : x
  2. Step 2: Convert to fraction form
    634,604.40/875,813.94 = 362,619.59/x
  3. Step 3: Cross multiply
    634,604.40x = 875,813.94 × 362,619.59
  4. Step 4: Simplify right side
    634,604.40x = 317,587,291,839.09
  5. Step 5: Solve for x
    x = 317,587,291,839.09/634,604.40
  6. Step 6: Final answer
    x = 500,449.24

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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.