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Finding the Fourth Proportional to 442,590.05, 663,884.58 and 176,537.45

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Solution

The fourth proportional to 442,590.05, 663,884.58 and 176,537.45 is: 264,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,590.05 : 663,884.58 = 176,537.45 : x
  2. Step 2: Convert to fraction form
    442,590.05/663,884.58 = 176,537.45/x
  3. Step 3: Cross multiply
    442,590.05x = 663,884.58 × 176,537.45
  4. Step 4: Simplify right side
    442,590.05x = 117,200,490,847.52
  5. Step 5: Solve for x
    x = 117,200,490,847.52/442,590.05
  6. Step 6: Final answer
    x = 264,805.98

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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.