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Finding the Fourth Proportional to 453,772.75, 626,182.61 and 249,783.82

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Solution

The fourth proportional to 453,772.75, 626,182.61 and 249,783.82 is: 344,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,772.75 : 626,182.61 = 249,783.82 : x
  2. Step 2: Convert to fraction form
    453,772.75/626,182.61 = 249,783.82/x
  3. Step 3: Cross multiply
    453,772.75x = 626,182.61 × 249,783.82
  4. Step 4: Simplify right side
    453,772.75x = 156,410,284,343.37
  5. Step 5: Solve for x
    x = 156,410,284,343.37/453,772.75
  6. Step 6: Final answer
    x = 344,688.58

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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.