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Finding the Fourth Proportional to 442,898.81, 664,026.37 and 176,579.45

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Solution

The fourth proportional to 442,898.81, 664,026.37 and 176,579.45 is: 264,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,898.81 : 664,026.37 = 176,579.45 : x
  2. Step 2: Convert to fraction form
    442,898.81/664,026.37 = 176,579.45/x
  3. Step 3: Cross multiply
    442,898.81x = 664,026.37 × 176,579.45
  4. Step 4: Simplify right side
    442,898.81x = 117,253,411,200.10
  5. Step 5: Solve for x
    x = 117,253,411,200.10/442,898.81
  6. Step 6: Final answer
    x = 264,740.86

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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.