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Finding the Fourth Proportional to 453,772.25, 626,181.92 and 249,783.32

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Solution

The fourth proportional to 453,772.25, 626,181.92 and 249,783.32 is: 344,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,772.25 : 626,181.92 = 249,783.32 : x
  2. Step 2: Convert to fraction form
    453,772.25/626,181.92 = 249,783.32/x
  3. Step 3: Cross multiply
    453,772.25x = 626,181.92 × 249,783.32
  4. Step 4: Simplify right side
    453,772.25x = 156,409,801,874.22
  5. Step 5: Solve for x
    x = 156,409,801,874.22/453,772.25
  6. Step 6: Final answer
    x = 344,687.90

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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.