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Finding the Fourth Proportional to 456,024.76, 629,315.44 and 249,295.65

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Solution

The fourth proportional to 456,024.76, 629,315.44 and 249,295.65 is: 344,028.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,024.76 : 629,315.44 = 249,295.65 : x
  2. Step 2: Convert to fraction form
    456,024.76/629,315.44 = 249,295.65/x
  3. Step 3: Cross multiply
    456,024.76x = 629,315.44 × 249,295.65
  4. Step 4: Simplify right side
    456,024.76x = 156,885,598,063.43
  5. Step 5: Solve for x
    x = 156,885,598,063.43/456,024.76
  6. Step 6: Final answer
    x = 344,028.68

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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.