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Finding the Fourth Proportional to 577,673.04, 866,529.30 and 198,590.52

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Solution

The fourth proportional to 577,673.04, 866,529.30 and 198,590.52 is: 297,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,673.04 : 866,529.30 = 198,590.52 : x
  2. Step 2: Convert to fraction form
    577,673.04/866,529.30 = 198,590.52/x
  3. Step 3: Cross multiply
    577,673.04x = 866,529.30 × 198,590.52
  4. Step 4: Simplify right side
    577,673.04x = 172,084,504,282.24
  5. Step 5: Solve for x
    x = 172,084,504,282.24/577,673.04
  6. Step 6: Final answer
    x = 297,892.57

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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.