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Finding the Fourth Proportional to 370,886.54, 556,558.22 and 146,208.74

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Solution

The fourth proportional to 370,886.54, 556,558.22 and 146,208.74 is: 219,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,886.54 : 556,558.22 = 146,208.74 : x
  2. Step 2: Convert to fraction form
    370,886.54/556,558.22 = 146,208.74/x
  3. Step 3: Cross multiply
    370,886.54x = 556,558.22 × 146,208.74
  4. Step 4: Simplify right side
    370,886.54x = 81,373,673,665.57
  5. Step 5: Solve for x
    x = 81,373,673,665.57/370,886.54
  6. Step 6: Final answer
    x = 219,403.15

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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.