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Finding the Fourth Proportional to 453,628.45, 626,007.34 and 249,693.89

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Solution

The fourth proportional to 453,628.45, 626,007.34 and 249,693.89 is: 344,577.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,628.45 : 626,007.34 = 249,693.89 : x
  2. Step 2: Convert to fraction form
    453,628.45/626,007.34 = 249,693.89/x
  3. Step 3: Cross multiply
    453,628.45x = 626,007.34 × 249,693.89
  4. Step 4: Simplify right side
    453,628.45x = 156,310,207,192.00
  5. Step 5: Solve for x
    x = 156,310,207,192.00/453,628.45
  6. Step 6: Final answer
    x = 344,577.61

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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.