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Finding the Fourth Proportional to 443,396.12, 611,851.82 and 249,795.29

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Solution

The fourth proportional to 443,396.12, 611,851.82 and 249,795.29 is: 344,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,396.12 : 611,851.82 = 249,795.29 : x
  2. Step 2: Convert to fraction form
    443,396.12/611,851.82 = 249,795.29/x
  3. Step 3: Cross multiply
    443,396.12x = 611,851.82 × 249,795.29
  4. Step 4: Simplify right side
    443,396.12x = 152,837,703,094.58
  5. Step 5: Solve for x
    x = 152,837,703,094.58/443,396.12
  6. Step 6: Final answer
    x = 344,697.88

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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.