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Finding the Fourth Proportional to 443,486.88, 611,954.64 and 249,899.04

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Solution

The fourth proportional to 443,486.88, 611,954.64 and 249,899.04 is: 344,828.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,486.88 : 611,954.64 = 249,899.04 : x
  2. Step 2: Convert to fraction form
    443,486.88/611,954.64 = 249,899.04/x
  3. Step 3: Cross multiply
    443,486.88x = 611,954.64 × 249,899.04
  4. Step 4: Simplify right side
    443,486.88x = 152,926,877,059.55
  5. Step 5: Solve for x
    x = 152,926,877,059.55/443,486.88
  6. Step 6: Final answer
    x = 344,828.41

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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.