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Finding the Fourth Proportional to 453,770.40, 626,191.71 and 249,819.29

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Solution

The fourth proportional to 453,770.40, 626,191.71 and 249,819.29 is: 344,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,770.40 : 626,191.71 = 249,819.29 : x
  2. Step 2: Convert to fraction form
    453,770.40/626,191.71 = 249,819.29/x
  3. Step 3: Cross multiply
    453,770.40x = 626,191.71 × 249,819.29
  4. Step 4: Simplify right side
    453,770.40x = 156,434,768,081.76
  5. Step 5: Solve for x
    x = 156,434,768,081.76/453,770.40
  6. Step 6: Final answer
    x = 344,744.32

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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.