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Finding the Fourth Proportional to 370,641.76, 555,995.28 and 104,404.48

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Solution

The fourth proportional to 370,641.76, 555,995.28 and 104,404.48 is: 156,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,641.76 : 555,995.28 = 104,404.48 : x
  2. Step 2: Convert to fraction form
    370,641.76/555,995.28 = 104,404.48/x
  3. Step 3: Cross multiply
    370,641.76x = 555,995.28 × 104,404.48
  4. Step 4: Simplify right side
    370,641.76x = 58,048,398,090.85
  5. Step 5: Solve for x
    x = 58,048,398,090.85/370,641.76
  6. Step 6: Final answer
    x = 156,615.91

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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.