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Finding the Fourth Proportional to 453,077.69, 625,254.54 and 249,137.51

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Solution

The fourth proportional to 453,077.69, 625,254.54 and 249,137.51 is: 343,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,077.69 : 625,254.54 = 249,137.51 : x
  2. Step 2: Convert to fraction form
    453,077.69/625,254.54 = 249,137.51/x
  3. Step 3: Cross multiply
    453,077.69x = 625,254.54 × 249,137.51
  4. Step 4: Simplify right side
    453,077.69x = 155,774,359,211.80
  5. Step 5: Solve for x
    x = 155,774,359,211.80/453,077.69
  6. Step 6: Final answer
    x = 343,813.79

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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.