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Finding the Fourth Proportional to 615,493.64, 849,522.92 and 360,926.84

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Solution

The fourth proportional to 615,493.64, 849,522.92 and 360,926.84 is: 498,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,493.64 : 849,522.92 = 360,926.84 : x
  2. Step 2: Convert to fraction form
    615,493.64/849,522.92 = 360,926.84/x
  3. Step 3: Cross multiply
    615,493.64x = 849,522.92 × 360,926.84
  4. Step 4: Simplify right side
    615,493.64x = 306,615,616,970.92
  5. Step 5: Solve for x
    x = 306,615,616,970.92/615,493.64
  6. Step 6: Final answer
    x = 498,162.12

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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.