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Finding the Fourth Proportional to 453,824.28, 626,255.64 and 249,870.96

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Solution

The fourth proportional to 453,824.28, 626,255.64 and 249,870.96 is: 344,809.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,824.28 : 626,255.64 = 249,870.96 : x
  2. Step 2: Convert to fraction form
    453,824.28/626,255.64 = 249,870.96/x
  3. Step 3: Cross multiply
    453,824.28x = 626,255.64 × 249,870.96
  4. Step 4: Simplify right side
    453,824.28x = 156,483,097,972.21
  5. Step 5: Solve for x
    x = 156,483,097,972.21/453,824.28
  6. Step 6: Final answer
    x = 344,809.89

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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.