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Finding the Fourth Proportional to 294,704.40, 442,056.60 and 73,088.40

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Solution

The fourth proportional to 294,704.40, 442,056.60 and 73,088.40 is: 109,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,704.40 : 442,056.60 = 73,088.40 : x
  2. Step 2: Convert to fraction form
    294,704.40/442,056.60 = 73,088.40/x
  3. Step 3: Cross multiply
    294,704.40x = 442,056.60 × 73,088.40
  4. Step 4: Simplify right side
    294,704.40x = 32,309,209,603.44
  5. Step 5: Solve for x
    x = 32,309,209,603.44/294,704.40
  6. Step 6: Final answer
    x = 109,632.60

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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.