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Finding the Fourth Proportional to 355,244.10, 532,866.15 and 299,256.90

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Solution

The fourth proportional to 355,244.10, 532,866.15 and 299,256.90 is: 448,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,244.10 : 532,866.15 = 299,256.90 : x
  2. Step 2: Convert to fraction form
    355,244.10/532,866.15 = 299,256.90/x
  3. Step 3: Cross multiply
    355,244.10x = 532,866.15 × 299,256.90
  4. Step 4: Simplify right side
    355,244.10x = 159,463,872,163.94
  5. Step 5: Solve for x
    x = 159,463,872,163.94/355,244.10
  6. Step 6: Final answer
    x = 448,885.35

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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.