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Finding the Fourth Proportional to 304,484.80, 420,180.33 and 168,524.32

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Solution

The fourth proportional to 304,484.80, 420,180.33 and 168,524.32 is: 232,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,484.80 : 420,180.33 = 168,524.32 : x
  2. Step 2: Convert to fraction form
    304,484.80/420,180.33 = 168,524.32/x
  3. Step 3: Cross multiply
    304,484.80x = 420,180.33 × 168,524.32
  4. Step 4: Simplify right side
    304,484.80x = 70,810,604,390.63
  5. Step 5: Solve for x
    x = 70,810,604,390.63/304,484.80
  6. Step 6: Final answer
    x = 232,558.75

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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.