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Finding the Fourth Proportional to 370,983.60, 556,232.40 and 146,208.60

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Solution

The fourth proportional to 370,983.60, 556,232.40 and 146,208.60 is: 219,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,983.60 : 556,232.40 = 146,208.60 : x
  2. Step 2: Convert to fraction form
    370,983.60/556,232.40 = 146,208.60/x
  3. Step 3: Cross multiply
    370,983.60x = 556,232.40 × 146,208.60
  4. Step 4: Simplify right side
    370,983.60x = 81,325,960,478.64
  5. Step 5: Solve for x
    x = 81,325,960,478.64/370,983.60
  6. Step 6: Final answer
    x = 219,217.13

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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.