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Finding the Fourth Proportional to 355,364.70, 532,852.65 and 144,764.70

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Solution

The fourth proportional to 355,364.70, 532,852.65 and 144,764.70 is: 217,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,364.70 : 532,852.65 = 144,764.70 : x
  2. Step 2: Convert to fraction form
    355,364.70/532,852.65 = 144,764.70/x
  3. Step 3: Cross multiply
    355,364.70x = 532,852.65 × 144,764.70
  4. Step 4: Simplify right side
    355,364.70x = 77,138,254,021.46
  5. Step 5: Solve for x
    x = 77,138,254,021.46/355,364.70
  6. Step 6: Final answer
    x = 217,067.86

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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.