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Finding the Fourth Proportional to 490,810, 736,387.80 and 241,666.96

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Solution

The fourth proportional to 490,810, 736,387.80 and 241,666.96 is: 362,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,810 : 736,387.80 = 241,666.96 : x
  2. Step 2: Convert to fraction form
    490,810/736,387.80 = 241,666.96/x
  3. Step 3: Cross multiply
    490,810x = 736,387.80 × 241,666.96
  4. Step 4: Simplify right side
    490,810x = 177,960,601,007.09
  5. Step 5: Solve for x
    x = 177,960,601,007.09/490,810
  6. Step 6: Final answer
    x = 362,585.52

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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.