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Finding the Fourth Proportional to 457,365.77, 685,924.73 and 191,070.58

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Solution

The fourth proportional to 457,365.77, 685,924.73 and 191,070.58 is: 286,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,365.77 : 685,924.73 = 191,070.58 : x
  2. Step 2: Convert to fraction form
    457,365.77/685,924.73 = 191,070.58/x
  3. Step 3: Cross multiply
    457,365.77x = 685,924.73 × 191,070.58
  4. Step 4: Simplify right side
    457,365.77x = 131,060,031,612.47
  5. Step 5: Solve for x
    x = 131,060,031,612.47/457,365.77
  6. Step 6: Final answer
    x = 286,554.09

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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.