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Finding the Fourth Proportional to 370,649.76, 556,007.28 and 104,412.48

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Solution

The fourth proportional to 370,649.76, 556,007.28 and 104,412.48 is: 156,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,649.76 : 556,007.28 = 104,412.48 : x
  2. Step 2: Convert to fraction form
    370,649.76/556,007.28 = 104,412.48/x
  3. Step 3: Cross multiply
    370,649.76x = 556,007.28 × 104,412.48
  4. Step 4: Simplify right side
    370,649.76x = 58,054,099,002.85
  5. Step 5: Solve for x
    x = 58,054,099,002.85/370,649.76
  6. Step 6: Final answer
    x = 156,627.91

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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.