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Finding the Fourth Proportional to 367,037.05, 550,391.55 and 142,322.80

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Solution

The fourth proportional to 367,037.05, 550,391.55 and 142,322.80 is: 213,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,037.05 : 550,391.55 = 142,322.80 : x
  2. Step 2: Convert to fraction form
    367,037.05/550,391.55 = 142,322.80/x
  3. Step 3: Cross multiply
    367,037.05x = 550,391.55 × 142,322.80
  4. Step 4: Simplify right side
    367,037.05x = 78,333,266,492.34
  5. Step 5: Solve for x
    x = 78,333,266,492.34/367,037.05
  6. Step 6: Final answer
    x = 213,420.60

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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.