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Finding the Fourth Proportional to 473,662.72, 654,091.06 and 304,192.08

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Solution

The fourth proportional to 473,662.72, 654,091.06 and 304,192.08 is: 420,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,662.72 : 654,091.06 = 304,192.08 : x
  2. Step 2: Convert to fraction form
    473,662.72/654,091.06 = 304,192.08/x
  3. Step 3: Cross multiply
    473,662.72x = 654,091.06 × 304,192.08
  4. Step 4: Simplify right side
    473,662.72x = 198,969,320,050.81
  5. Step 5: Solve for x
    x = 198,969,320,050.81/473,662.72
  6. Step 6: Final answer
    x = 420,065.40

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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.