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Finding the Fourth Proportional to 402,936.51, 604,196.74 and 118,590.11

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Solution

The fourth proportional to 402,936.51, 604,196.74 and 118,590.11 is: 177,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,936.51 : 604,196.74 = 118,590.11 : x
  2. Step 2: Convert to fraction form
    402,936.51/604,196.74 = 118,590.11/x
  3. Step 3: Cross multiply
    402,936.51x = 604,196.74 × 118,590.11
  4. Step 4: Simplify right side
    402,936.51x = 71,651,757,265.29
  5. Step 5: Solve for x
    x = 71,651,757,265.29/402,936.51
  6. Step 6: Final answer
    x = 177,823.94

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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.