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Finding the Fourth Proportional to 304,118.76, 419,685.22 and 168,162.28

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Solution

The fourth proportional to 304,118.76, 419,685.22 and 168,162.28 is: 232,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,118.76 : 419,685.22 = 168,162.28 : x
  2. Step 2: Convert to fraction form
    304,118.76/419,685.22 = 168,162.28/x
  3. Step 3: Cross multiply
    304,118.76x = 419,685.22 × 168,162.28
  4. Step 4: Simplify right side
    304,118.76x = 70,575,223,477.50
  5. Step 5: Solve for x
    x = 70,575,223,477.50/304,118.76
  6. Step 6: Final answer
    x = 232,064.68

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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.