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Finding the Fourth Proportional to 615,634.02, 849,531.24 and 360,936

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Solution

The fourth proportional to 615,634.02, 849,531.24 and 360,936 is: 498,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,634.02 : 849,531.24 = 360,936 : x
  2. Step 2: Convert to fraction form
    615,634.02/849,531.24 = 360,936/x
  3. Step 3: Cross multiply
    615,634.02x = 849,531.24 × 360,936
  4. Step 4: Simplify right side
    615,634.02x = 306,626,407,640.64
  5. Step 5: Solve for x
    x = 306,626,407,640.64/615,634.02
  6. Step 6: Final answer
    x = 498,066.05

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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.