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Finding the Fourth Proportional to 357,908.63, 536,835.03 and 208,053.34

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Solution

The fourth proportional to 357,908.63, 536,835.03 and 208,053.34 is: 312,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,908.63 : 536,835.03 = 208,053.34 : x
  2. Step 2: Convert to fraction form
    357,908.63/536,835.03 = 208,053.34/x
  3. Step 3: Cross multiply
    357,908.63x = 536,835.03 × 208,053.34
  4. Step 4: Simplify right side
    357,908.63x = 111,690,317,296.06
  5. Step 5: Solve for x
    x = 111,690,317,296.06/357,908.63
  6. Step 6: Final answer
    x = 312,063.77

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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.