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Finding the Fourth Proportional to 336,030.20, 504,275.70 and 149,175.80

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Solution

The fourth proportional to 336,030.20, 504,275.70 and 149,175.80 is: 223,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,030.20 : 504,275.70 = 149,175.80 : x
  2. Step 2: Convert to fraction form
    336,030.20/504,275.70 = 149,175.80/x
  3. Step 3: Cross multiply
    336,030.20x = 504,275.70 × 149,175.80
  4. Step 4: Simplify right side
    336,030.20x = 75,225,730,968.06
  5. Step 5: Solve for x
    x = 75,225,730,968.06/336,030.20
  6. Step 6: Final answer
    x = 223,865.98

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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.