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Finding the Fourth Proportional to 358,338.48, 537,585.30 and 118,462.56

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Solution

The fourth proportional to 358,338.48, 537,585.30 and 118,462.56 is: 177,719.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,338.48 : 537,585.30 = 118,462.56 : x
  2. Step 2: Convert to fraction form
    358,338.48/537,585.30 = 118,462.56/x
  3. Step 3: Cross multiply
    358,338.48x = 537,585.30 × 118,462.56
  4. Step 4: Simplify right side
    358,338.48x = 63,683,730,856.37
  5. Step 5: Solve for x
    x = 63,683,730,856.37/358,338.48
  6. Step 6: Final answer
    x = 177,719.49

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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.