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Finding the Fourth Proportional to 652,665.96, 900,678.15 and 366,212.70

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Solution

The fourth proportional to 652,665.96, 900,678.15 and 366,212.70 is: 505,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,665.96 : 900,678.15 = 366,212.70 : x
  2. Step 2: Convert to fraction form
    652,665.96/900,678.15 = 366,212.70/x
  3. Step 3: Cross multiply
    652,665.96x = 900,678.15 × 366,212.70
  4. Step 4: Simplify right side
    652,665.96x = 329,839,777,142.51
  5. Step 5: Solve for x
    x = 329,839,777,142.51/652,665.96
  6. Step 6: Final answer
    x = 505,373.04

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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.