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Finding the Fourth Proportional to 364,031.76, 546,293.48 and 127,376.49

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Solution

The fourth proportional to 364,031.76, 546,293.48 and 127,376.49 is: 191,150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,031.76 : 546,293.48 = 127,376.49 : x
  2. Step 2: Convert to fraction form
    364,031.76/546,293.48 = 127,376.49/x
  3. Step 3: Cross multiply
    364,031.76x = 546,293.48 × 127,376.49
  4. Step 4: Simplify right side
    364,031.76x = 69,584,945,355.40
  5. Step 5: Solve for x
    x = 69,584,945,355.40/364,031.76
  6. Step 6: Final answer
    x = 191,150.75

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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.