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Finding the Fourth Proportional to 453,847.32, 626,300.91 and 249,893.78

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Solution

The fourth proportional to 453,847.32, 626,300.91 and 249,893.78 is: 344,848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,847.32 : 626,300.91 = 249,893.78 : x
  2. Step 2: Convert to fraction form
    453,847.32/626,300.91 = 249,893.78/x
  3. Step 3: Cross multiply
    453,847.32x = 626,300.91 × 249,893.78
  4. Step 4: Simplify right side
    453,847.32x = 156,508,698,685.84
  5. Step 5: Solve for x
    x = 156,508,698,685.84/453,847.32
  6. Step 6: Final answer
    x = 344,848.79

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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.