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Finding the Fourth Proportional to 364,529.26, 546,798.21 and 127,878.58

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Solution

The fourth proportional to 364,529.26, 546,798.21 and 127,878.58 is: 191,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,529.26 : 546,798.21 = 127,878.58 : x
  2. Step 2: Convert to fraction form
    364,529.26/546,798.21 = 127,878.58/x
  3. Step 3: Cross multiply
    364,529.26x = 546,798.21 × 127,878.58
  4. Step 4: Simplify right side
    364,529.26x = 69,923,778,641.34
  5. Step 5: Solve for x
    x = 69,923,778,641.34/364,529.26
  6. Step 6: Final answer
    x = 191,819.39

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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.