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Finding the Fourth Proportional to 453,028.23, 625,165.71 and 249,078.93

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Solution

The fourth proportional to 453,028.23, 625,165.71 and 249,078.93 is: 343,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,028.23 : 625,165.71 = 249,078.93 : x
  2. Step 2: Convert to fraction form
    453,028.23/625,165.71 = 249,078.93/x
  3. Step 3: Cross multiply
    453,028.23x = 625,165.71 × 249,078.93
  4. Step 4: Simplify right side
    453,028.23x = 155,715,606,119.49
  5. Step 5: Solve for x
    x = 155,715,606,119.49/453,028.23
  6. Step 6: Final answer
    x = 343,721.64

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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.