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Finding the Fourth Proportional to 453,732.63, 626,139.99 and 249,781.89

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Solution

The fourth proportional to 453,732.63, 626,139.99 and 249,781.89 is: 344,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,732.63 : 626,139.99 = 249,781.89 : x
  2. Step 2: Convert to fraction form
    453,732.63/626,139.99 = 249,781.89/x
  3. Step 3: Cross multiply
    453,732.63x = 626,139.99 × 249,781.89
  4. Step 4: Simplify right side
    453,732.63x = 156,398,430,106.78
  5. Step 5: Solve for x
    x = 156,398,430,106.78/453,732.63
  6. Step 6: Final answer
    x = 344,692.93

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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.