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Finding the Fourth Proportional to 369,027.60, 553,638.60 and 132,345.60

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Solution

The fourth proportional to 369,027.60, 553,638.60 and 132,345.60 is: 198,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,027.60 : 553,638.60 = 132,345.60 : x
  2. Step 2: Convert to fraction form
    369,027.60/553,638.60 = 132,345.60/x
  3. Step 3: Cross multiply
    369,027.60x = 553,638.60 × 132,345.60
  4. Step 4: Simplify right side
    369,027.60x = 73,271,632,700.16
  5. Step 5: Solve for x
    x = 73,271,632,700.16/369,027.60
  6. Step 6: Final answer
    x = 198,553.26

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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.