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Finding the Fourth Proportional to 453,106.56, 625,326.89 and 249,193.41

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Solution

The fourth proportional to 453,106.56, 625,326.89 and 249,193.41 is: 343,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,106.56 : 625,326.89 = 249,193.41 : x
  2. Step 2: Convert to fraction form
    453,106.56/625,326.89 = 249,193.41/x
  3. Step 3: Cross multiply
    453,106.56x = 625,326.89 × 249,193.41
  4. Step 4: Simplify right side
    453,106.56x = 155,827,340,083.80
  5. Step 5: Solve for x
    x = 155,827,340,083.80/453,106.56
  6. Step 6: Final answer
    x = 343,908.81

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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.