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Finding the Fourth Proportional to 354,035.52, 488,574.63 and 192,890.54

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Solution

The fourth proportional to 354,035.52, 488,574.63 and 192,890.54 is: 266,192.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,035.52 : 488,574.63 = 192,890.54 : x
  2. Step 2: Convert to fraction form
    354,035.52/488,574.63 = 192,890.54/x
  3. Step 3: Cross multiply
    354,035.52x = 488,574.63 × 192,890.54
  4. Step 4: Simplify right side
    354,035.52x = 94,241,421,768.13
  5. Step 5: Solve for x
    x = 94,241,421,768.13/354,035.52
  6. Step 6: Final answer
    x = 266,192.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.