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Finding the Fourth Proportional to 453,374.82, 625,657.25 and 249,421.36

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Solution

The fourth proportional to 453,374.82, 625,657.25 and 249,421.36 is: 344,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,374.82 : 625,657.25 = 249,421.36 : x
  2. Step 2: Convert to fraction form
    453,374.82/625,657.25 = 249,421.36/x
  3. Step 3: Cross multiply
    453,374.82x = 625,657.25 × 249,421.36
  4. Step 4: Simplify right side
    453,374.82x = 156,052,281,723.83
  5. Step 5: Solve for x
    x = 156,052,281,723.83/453,374.82
  6. Step 6: Final answer
    x = 344,201.47

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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.