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Finding the Fourth Proportional to 557,379.60, 769,502.53 and 366,946.57

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Solution

The fourth proportional to 557,379.60, 769,502.53 and 366,946.57 is: 506,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,379.60 : 769,502.53 = 366,946.57 : x
  2. Step 2: Convert to fraction form
    557,379.60/769,502.53 = 366,946.57/x
  3. Step 3: Cross multiply
    557,379.60x = 769,502.53 × 366,946.57
  4. Step 4: Simplify right side
    557,379.60x = 282,366,313,989.82
  5. Step 5: Solve for x
    x = 282,366,313,989.82/557,379.60
  6. Step 6: Final answer
    x = 506,596.07

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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.