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Finding the Fourth Proportional to 366,364.47, 505,829.70 and 228,752.93

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Solution

The fourth proportional to 366,364.47, 505,829.70 and 228,752.93 is: 315,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,364.47 : 505,829.70 = 228,752.93 : x
  2. Step 2: Convert to fraction form
    366,364.47/505,829.70 = 228,752.93/x
  3. Step 3: Cross multiply
    366,364.47x = 505,829.70 × 228,752.93
  4. Step 4: Simplify right side
    366,364.47x = 115,710,023,426.87
  5. Step 5: Solve for x
    x = 115,710,023,426.87/366,364.47
  6. Step 6: Final answer
    x = 315,833.09

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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.