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Finding the Fourth Proportional to 453,400.49, 625,692.65 and 249,447.02

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Solution

The fourth proportional to 453,400.49, 625,692.65 and 249,447.02 is: 344,236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,400.49 : 625,692.65 = 249,447.02 : x
  2. Step 2: Convert to fraction form
    453,400.49/625,692.65 = 249,447.02/x
  3. Step 3: Cross multiply
    453,400.49x = 625,692.65 × 249,447.02
  4. Step 4: Simplify right side
    453,400.49x = 156,077,162,602.71
  5. Step 5: Solve for x
    x = 156,077,162,602.71/453,400.49
  6. Step 6: Final answer
    x = 344,236.87

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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.