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Finding the Fourth Proportional to 370,735.76, 556,132.80 and 146,080.64

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Solution

The fourth proportional to 370,735.76, 556,132.80 and 146,080.64 is: 219,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,735.76 : 556,132.80 = 146,080.64 : x
  2. Step 2: Convert to fraction form
    370,735.76/556,132.80 = 146,080.64/x
  3. Step 3: Cross multiply
    370,735.76x = 556,132.80 × 146,080.64
  4. Step 4: Simplify right side
    370,735.76x = 81,240,235,348.99
  5. Step 5: Solve for x
    x = 81,240,235,348.99/370,735.76
  6. Step 6: Final answer
    x = 219,132.45

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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.