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Finding the Fourth Proportional to 404,390.08, 606,662.85 and 155,052.64

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Solution

The fourth proportional to 404,390.08, 606,662.85 and 155,052.64 is: 232,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,390.08 : 606,662.85 = 155,052.64 : x
  2. Step 2: Convert to fraction form
    404,390.08/606,662.85 = 155,052.64/x
  3. Step 3: Cross multiply
    404,390.08x = 606,662.85 × 155,052.64
  4. Step 4: Simplify right side
    404,390.08x = 94,064,676,482.42
  5. Step 5: Solve for x
    x = 94,064,676,482.42/404,390.08
  6. Step 6: Final answer
    x = 232,608.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.