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Finding the Fourth Proportional to 358,425.10, 537,711.16 and 299,671.35

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Solution

The fourth proportional to 358,425.10, 537,711.16 and 299,671.35 is: 449,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,425.10 : 537,711.16 = 299,671.35 : x
  2. Step 2: Convert to fraction form
    358,425.10/537,711.16 = 299,671.35/x
  3. Step 3: Cross multiply
    358,425.10x = 537,711.16 × 299,671.35
  4. Step 4: Simplify right side
    358,425.10x = 161,136,629,227.27
  5. Step 5: Solve for x
    x = 161,136,629,227.27/358,425.10
  6. Step 6: Final answer
    x = 449,568.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.