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Finding the Fourth Proportional to 370,258.55, 555,406.84 and 104,039.82

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Solution

The fourth proportional to 370,258.55, 555,406.84 and 104,039.82 is: 156,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,258.55 : 555,406.84 = 104,039.82 : x
  2. Step 2: Convert to fraction form
    370,258.55/555,406.84 = 104,039.82/x
  3. Step 3: Cross multiply
    370,258.55x = 555,406.84 × 104,039.82
  4. Step 4: Simplify right side
    370,258.55x = 57,784,427,400.27
  5. Step 5: Solve for x
    x = 57,784,427,400.27/370,258.55
  6. Step 6: Final answer
    x = 156,065.07

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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.