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Finding the Fourth Proportional to 410,019.39, 615,055.01 and 173,330.91

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Solution

The fourth proportional to 410,019.39, 615,055.01 and 173,330.91 is: 260,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,019.39 : 615,055.01 = 173,330.91 : x
  2. Step 2: Convert to fraction form
    410,019.39/615,055.01 = 173,330.91/x
  3. Step 3: Cross multiply
    410,019.39x = 615,055.01 × 173,330.91
  4. Step 4: Simplify right side
    410,019.39x = 106,608,043,716.71
  5. Step 5: Solve for x
    x = 106,608,043,716.71/410,019.39
  6. Step 6: Final answer
    x = 260,007.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.