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Finding the Fourth Proportional to 201,884.60, 302,826.90 and 186,678.20

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Solution

The fourth proportional to 201,884.60, 302,826.90 and 186,678.20 is: 280,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,884.60 : 302,826.90 = 186,678.20 : x
  2. Step 2: Convert to fraction form
    201,884.60/302,826.90 = 186,678.20/x
  3. Step 3: Cross multiply
    201,884.60x = 302,826.90 × 186,678.20
  4. Step 4: Simplify right side
    201,884.60x = 56,531,180,603.58
  5. Step 5: Solve for x
    x = 56,531,180,603.58/201,884.60
  6. Step 6: Final answer
    x = 280,017.30

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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.