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Finding the Fourth Proportional to 370,871.16, 556,535.16 and 146,193.36

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Solution

The fourth proportional to 370,871.16, 556,535.16 and 146,193.36 is: 219,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,871.16 : 556,535.16 = 146,193.36 : x
  2. Step 2: Convert to fraction form
    370,871.16/556,535.16 = 146,193.36/x
  3. Step 3: Cross multiply
    370,871.16x = 556,535.16 × 146,193.36
  4. Step 4: Simplify right side
    370,871.16x = 81,361,744,998.54
  5. Step 5: Solve for x
    x = 81,361,744,998.54/370,871.16
  6. Step 6: Final answer
    x = 219,380.08

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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.