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Finding the Fourth Proportional to 453,834.32, 626,286.17 and 249,881.07

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Solution

The fourth proportional to 453,834.32, 626,286.17 and 249,881.07 is: 344,833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,834.32 : 626,286.17 = 249,881.07 : x
  2. Step 2: Convert to fraction form
    453,834.32/626,286.17 = 249,881.07/x
  3. Step 3: Cross multiply
    453,834.32x = 626,286.17 × 249,881.07
  4. Step 4: Simplify right side
    453,834.32x = 156,497,057,036.40
  5. Step 5: Solve for x
    x = 156,497,057,036.40/453,834.32
  6. Step 6: Final answer
    x = 344,833.02

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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.