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Finding the Fourth Proportional to 364,991.60, 547,390.20 and 112,271.60

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Solution

The fourth proportional to 364,991.60, 547,390.20 and 112,271.60 is: 168,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,991.60 : 547,390.20 = 112,271.60 : x
  2. Step 2: Convert to fraction form
    364,991.60/547,390.20 = 112,271.60/x
  3. Step 3: Cross multiply
    364,991.60x = 547,390.20 × 112,271.60
  4. Step 4: Simplify right side
    364,991.60x = 61,456,373,578.32
  5. Step 5: Solve for x
    x = 61,456,373,578.32/364,991.60
  6. Step 6: Final answer
    x = 168,377.50

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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.