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Finding the Fourth Proportional to 370,648.14, 556,041.83 and 168,258.47

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Solution

The fourth proportional to 370,648.14, 556,041.83 and 168,258.47 is: 252,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,648.14 : 556,041.83 = 168,258.47 : x
  2. Step 2: Convert to fraction form
    370,648.14/556,041.83 = 168,258.47/x
  3. Step 3: Cross multiply
    370,648.14x = 556,041.83 × 168,258.47
  4. Step 4: Simplify right side
    370,648.14x = 93,558,743,950.30
  5. Step 5: Solve for x
    x = 93,558,743,950.30/370,648.14
  6. Step 6: Final answer
    x = 252,419.30

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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.