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Finding the Fourth Proportional to 453,057.22, 625,235.03 and 249,123.68

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Solution

The fourth proportional to 453,057.22, 625,235.03 and 249,123.68 is: 343,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,057.22 : 625,235.03 = 249,123.68 : x
  2. Step 2: Convert to fraction form
    453,057.22/625,235.03 = 249,123.68/x
  3. Step 3: Cross multiply
    453,057.22x = 625,235.03 × 249,123.68
  4. Step 4: Simplify right side
    453,057.22x = 155,760,851,538.51
  5. Step 5: Solve for x
    x = 155,760,851,538.51/453,057.22
  6. Step 6: Final answer
    x = 343,799.51

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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.