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Finding the Fourth Proportional to 302,176.80, 453,265.20 and 197,114.40

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Solution

The fourth proportional to 302,176.80, 453,265.20 and 197,114.40 is: 295,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,176.80 : 453,265.20 = 197,114.40 : x
  2. Step 2: Convert to fraction form
    302,176.80/453,265.20 = 197,114.40/x
  3. Step 3: Cross multiply
    302,176.80x = 453,265.20 × 197,114.40
  4. Step 4: Simplify right side
    302,176.80x = 89,345,097,938.88
  5. Step 5: Solve for x
    x = 89,345,097,938.88/302,176.80
  6. Step 6: Final answer
    x = 295,671.60

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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.