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Finding the Fourth Proportional to 201,878.60, 302,489.85 and 173,666.30

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Solution

The fourth proportional to 201,878.60, 302,489.85 and 173,666.30 is: 260,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,878.60 : 302,489.85 = 173,666.30 : x
  2. Step 2: Convert to fraction form
    201,878.60/302,489.85 = 173,666.30/x
  3. Step 3: Cross multiply
    201,878.60x = 302,489.85 × 173,666.30
  4. Step 4: Simplify right side
    201,878.60x = 52,532,293,037.06
  5. Step 5: Solve for x
    x = 52,532,293,037.06/201,878.60
  6. Step 6: Final answer
    x = 260,217.24

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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.