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Finding the Fourth Proportional to 358,529.60, 537,794.40 and 148,318.40

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Solution

The fourth proportional to 358,529.60, 537,794.40 and 148,318.40 is: 222,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,529.60 : 537,794.40 = 148,318.40 : x
  2. Step 2: Convert to fraction form
    358,529.60/537,794.40 = 148,318.40/x
  3. Step 3: Cross multiply
    358,529.60x = 537,794.40 × 148,318.40
  4. Step 4: Simplify right side
    358,529.60x = 79,764,804,936.96
  5. Step 5: Solve for x
    x = 79,764,804,936.96/358,529.60
  6. Step 6: Final answer
    x = 222,477.60

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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.