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Finding the Fourth Proportional to 304,459.74, 420,144.06 and 168,499.41

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Solution

The fourth proportional to 304,459.74, 420,144.06 and 168,499.41 is: 232,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,459.74 : 420,144.06 = 168,499.41 : x
  2. Step 2: Convert to fraction form
    304,459.74/420,144.06 = 168,499.41/x
  3. Step 3: Cross multiply
    304,459.74x = 420,144.06 × 168,499.41
  4. Step 4: Simplify right side
    304,459.74x = 70,794,026,225.00
  5. Step 5: Solve for x
    x = 70,794,026,225.00/304,459.74
  6. Step 6: Final answer
    x = 232,523.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.