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Finding the Fourth Proportional to 453,505.48, 625,843.32 and 249,579.88

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Solution

The fourth proportional to 453,505.48, 625,843.32 and 249,579.88 is: 344,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,505.48 : 625,843.32 = 249,579.88 : x
  2. Step 2: Convert to fraction form
    453,505.48/625,843.32 = 249,579.88/x
  3. Step 3: Cross multiply
    453,505.48x = 625,843.32 × 249,579.88
  4. Step 4: Simplify right side
    453,505.48x = 156,197,900,704.40
  5. Step 5: Solve for x
    x = 156,197,900,704.40/453,505.48
  6. Step 6: Final answer
    x = 344,423.40

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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.