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Finding the Fourth Proportional to 615,503.39, 849,536.37 and 360,936.59

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Solution

The fourth proportional to 615,503.39, 849,536.37 and 360,936.59 is: 498,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,503.39 : 849,536.37 = 360,936.59 : x
  2. Step 2: Convert to fraction form
    615,503.39/849,536.37 = 360,936.59/x
  3. Step 3: Cross multiply
    615,503.39x = 849,536.37 × 360,936.59
  4. Step 4: Simplify right side
    615,503.39x = 306,628,756,221.10
  5. Step 5: Solve for x
    x = 306,628,756,221.10/615,503.39
  6. Step 6: Final answer
    x = 498,175.58

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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.