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Finding the Fourth Proportional to 302,025.40, 453,167.70 and 154,281.40

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Solution

The fourth proportional to 302,025.40, 453,167.70 and 154,281.40 is: 231,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,025.40 : 453,167.70 = 154,281.40 : x
  2. Step 2: Convert to fraction form
    302,025.40/453,167.70 = 154,281.40/x
  3. Step 3: Cross multiply
    302,025.40x = 453,167.70 × 154,281.40
  4. Step 4: Simplify right side
    302,025.40x = 69,915,347,190.78
  5. Step 5: Solve for x
    x = 69,915,347,190.78/302,025.40
  6. Step 6: Final answer
    x = 231,488.30

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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.