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Finding the Fourth Proportional to 442,032.40, 663,048.60 and 109,608.40

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Solution

The fourth proportional to 442,032.40, 663,048.60 and 109,608.40 is: 164,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,032.40 : 663,048.60 = 109,608.40 : x
  2. Step 2: Convert to fraction form
    442,032.40/663,048.60 = 109,608.40/x
  3. Step 3: Cross multiply
    442,032.40x = 663,048.60 × 109,608.40
  4. Step 4: Simplify right side
    442,032.40x = 72,675,696,168.24
  5. Step 5: Solve for x
    x = 72,675,696,168.24/442,032.40
  6. Step 6: Final answer
    x = 164,412.60

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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.