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Finding the Fourth Proportional to 453,651.87, 626,015.76 and 249,663.81

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Solution

The fourth proportional to 453,651.87, 626,015.76 and 249,663.81 is: 344,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,651.87 : 626,015.76 = 249,663.81 : x
  2. Step 2: Convert to fraction form
    453,651.87/626,015.76 = 249,663.81/x
  3. Step 3: Cross multiply
    453,651.87x = 626,015.76 × 249,663.81
  4. Step 4: Simplify right side
    453,651.87x = 156,293,477,887.46
  5. Step 5: Solve for x
    x = 156,293,477,887.46/453,651.87
  6. Step 6: Final answer
    x = 344,522.94

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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.