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Finding the Fourth Proportional to 383,592.51, 575,554.69 and 205,891.92

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Solution

The fourth proportional to 383,592.51, 575,554.69 and 205,891.92 is: 308,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,592.51 : 575,554.69 = 205,891.92 : x
  2. Step 2: Convert to fraction form
    383,592.51/575,554.69 = 205,891.92/x
  3. Step 3: Cross multiply
    383,592.51x = 575,554.69 × 205,891.92
  4. Step 4: Simplify right side
    383,592.51x = 118,502,060,598.53
  5. Step 5: Solve for x
    x = 118,502,060,598.53/383,592.51
  6. Step 6: Final answer
    x = 308,926.94

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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.