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Finding the Fourth Proportional to 456,282.64, 629,653.53 and 249,543.96

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Solution

The fourth proportional to 456,282.64, 629,653.53 and 249,543.96 is: 344,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,282.64 : 629,653.53 = 249,543.96 : x
  2. Step 2: Convert to fraction form
    456,282.64/629,653.53 = 249,543.96/x
  3. Step 3: Cross multiply
    456,282.64x = 629,653.53 × 249,543.96
  4. Step 4: Simplify right side
    456,282.64x = 157,126,237,420.57
  5. Step 5: Solve for x
    x = 157,126,237,420.57/456,282.64
  6. Step 6: Final answer
    x = 344,361.64

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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.