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Finding the Fourth Proportional to 365,211.20, 547,875.68 and 112,491.64

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Solution

The fourth proportional to 365,211.20, 547,875.68 and 112,491.64 is: 168,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,211.20 : 547,875.68 = 112,491.64 : x
  2. Step 2: Convert to fraction form
    365,211.20/547,875.68 = 112,491.64/x
  3. Step 3: Cross multiply
    365,211.20x = 547,875.68 × 112,491.64
  4. Step 4: Simplify right side
    365,211.20x = 61,631,433,759.32
  5. Step 5: Solve for x
    x = 61,631,433,759.32/365,211.20
  6. Step 6: Final answer
    x = 168,755.60

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1.5x scale

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.