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Finding the Fourth Proportional to 552,671.10, 829,006.65 and 545,672.70

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Solution

The fourth proportional to 552,671.10, 829,006.65 and 545,672.70 is: 818,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,671.10 : 829,006.65 = 545,672.70 : x
  2. Step 2: Convert to fraction form
    552,671.10/829,006.65 = 545,672.70/x
  3. Step 3: Cross multiply
    552,671.10x = 829,006.65 × 545,672.70
  4. Step 4: Simplify right side
    552,671.10x = 452,366,297,023.46
  5. Step 5: Solve for x
    x = 452,366,297,023.46/552,671.10
  6. Step 6: Final answer
    x = 818,509.05

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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.