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Finding the Fourth Proportional to 202,304.40, 302,765.40 and 177,421.20

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Solution

The fourth proportional to 202,304.40, 302,765.40 and 177,421.20 is: 265,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,304.40 : 302,765.40 = 177,421.20 : x
  2. Step 2: Convert to fraction form
    202,304.40/302,765.40 = 177,421.20/x
  3. Step 3: Cross multiply
    202,304.40x = 302,765.40 × 177,421.20
  4. Step 4: Simplify right side
    202,304.40x = 53,717,000,586.48
  5. Step 5: Solve for x
    x = 53,717,000,586.48/202,304.40
  6. Step 6: Final answer
    x = 265,525.62

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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.