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Finding the Fourth Proportional to 457,365.52, 685,924.35 and 191,070.33

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Solution

The fourth proportional to 457,365.52, 685,924.35 and 191,070.33 is: 286,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,365.52 : 685,924.35 = 191,070.33 : x
  2. Step 2: Convert to fraction form
    457,365.52/685,924.35 = 191,070.33/x
  3. Step 3: Cross multiply
    457,365.52x = 685,924.35 × 191,070.33
  4. Step 4: Simplify right side
    457,365.52x = 131,059,791,909.54
  5. Step 5: Solve for x
    x = 131,059,791,909.54/457,365.52
  6. Step 6: Final answer
    x = 286,553.72

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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.