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Finding the Fourth Proportional to 369,253.28, 553,979.10 and 116,543.54

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Solution

The fourth proportional to 369,253.28, 553,979.10 and 116,543.54 is: 174,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,253.28 : 553,979.10 = 116,543.54 : x
  2. Step 2: Convert to fraction form
    369,253.28/553,979.10 = 116,543.54/x
  3. Step 3: Cross multiply
    369,253.28x = 553,979.10 × 116,543.54
  4. Step 4: Simplify right side
    369,253.28x = 64,562,685,400.01
  5. Step 5: Solve for x
    x = 64,562,685,400.01/369,253.28
  6. Step 6: Final answer
    x = 174,846.61

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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.