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Finding the Fourth Proportional to 543,252.83, 749,652.54 and 328,511.30

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Solution

The fourth proportional to 543,252.83, 749,652.54 and 328,511.30 is: 453,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,252.83 : 749,652.54 = 328,511.30 : x
  2. Step 2: Convert to fraction form
    543,252.83/749,652.54 = 328,511.30/x
  3. Step 3: Cross multiply
    543,252.83x = 749,652.54 × 328,511.30
  4. Step 4: Simplify right side
    543,252.83x = 246,269,326,715.44
  5. Step 5: Solve for x
    x = 246,269,326,715.44/543,252.83
  6. Step 6: Final answer
    x = 453,323.60

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1.5x scale

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.