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Finding the Fourth Proportional to 453,722.08, 626,131.38 and 249,768.64

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Solution

The fourth proportional to 453,722.08, 626,131.38 and 249,768.64 is: 344,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,722.08 : 626,131.38 = 249,768.64 : x
  2. Step 2: Convert to fraction form
    453,722.08/626,131.38 = 249,768.64/x
  3. Step 3: Cross multiply
    453,722.08x = 626,131.38 × 249,768.64
  4. Step 4: Simplify right side
    453,722.08x = 156,387,983,243.92
  5. Step 5: Solve for x
    x = 156,387,983,243.92/453,722.08
  6. Step 6: Final answer
    x = 344,677.92

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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.