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Finding the Fourth Proportional to 453,630.45, 626,010.10 and 249,695.89

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Solution

The fourth proportional to 453,630.45, 626,010.10 and 249,695.89 is: 344,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,630.45 : 626,010.10 = 249,695.89 : x
  2. Step 2: Convert to fraction form
    453,630.45/626,010.10 = 249,695.89/x
  3. Step 3: Cross multiply
    453,630.45x = 626,010.10 × 249,695.89
  4. Step 4: Simplify right side
    453,630.45x = 156,312,149,068.49
  5. Step 5: Solve for x
    x = 156,312,149,068.49/453,630.45
  6. Step 6: Final answer
    x = 344,580.37

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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.