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Finding the Fourth Proportional to 304,335.48, 419,995.50 and 168,367.20

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Solution

The fourth proportional to 304,335.48, 419,995.50 and 168,367.20 is: 232,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,335.48 : 419,995.50 = 168,367.20 : x
  2. Step 2: Convert to fraction form
    304,335.48/419,995.50 = 168,367.20/x
  3. Step 3: Cross multiply
    304,335.48x = 419,995.50 × 168,367.20
  4. Step 4: Simplify right side
    304,335.48x = 70,713,466,347.60
  5. Step 5: Solve for x
    x = 70,713,466,347.60/304,335.48
  6. Step 6: Final answer
    x = 232,353.67

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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.