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Finding the Fourth Proportional to 203,348.44, 304,459.26 and 153,276.76

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Solution

The fourth proportional to 203,348.44, 304,459.26 and 153,276.76 is: 229,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,348.44 : 304,459.26 = 153,276.76 : x
  2. Step 2: Convert to fraction form
    203,348.44/304,459.26 = 153,276.76/x
  3. Step 3: Cross multiply
    203,348.44x = 304,459.26 × 153,276.76
  4. Step 4: Simplify right side
    203,348.44x = 46,666,528,924.80
  5. Step 5: Solve for x
    x = 46,666,528,924.80/203,348.44
  6. Step 6: Final answer
    x = 229,490.47

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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.