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Finding the Fourth Proportional to 370,627.66, 556,079.87 and 146,144.57

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Solution

The fourth proportional to 370,627.66, 556,079.87 and 146,144.57 is: 219,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,627.66 : 556,079.87 = 146,144.57 : x
  2. Step 2: Convert to fraction form
    370,627.66/556,079.87 = 146,144.57/x
  3. Step 3: Cross multiply
    370,627.66x = 556,079.87 × 146,144.57
  4. Step 4: Simplify right side
    370,627.66x = 81,268,051,648.24
  5. Step 5: Solve for x
    x = 81,268,051,648.24/370,627.66
  6. Step 6: Final answer
    x = 219,271.41

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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.