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Finding the Fourth Proportional to 453,072.88, 625,242.82 and 249,136.96

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Solution

The fourth proportional to 453,072.88, 625,242.82 and 249,136.96 is: 343,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,072.88 : 625,242.82 = 249,136.96 : x
  2. Step 2: Convert to fraction form
    453,072.88/625,242.82 = 249,136.96/x
  3. Step 3: Cross multiply
    453,072.88x = 625,242.82 × 249,136.96
  4. Step 4: Simplify right side
    453,072.88x = 155,771,095,436.63
  5. Step 5: Solve for x
    x = 155,771,095,436.63/453,072.88
  6. Step 6: Final answer
    x = 343,810.24

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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.