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Finding the Fourth Proportional to 302,564.60, 453,846.90 and 103,110.20

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Solution

The fourth proportional to 302,564.60, 453,846.90 and 103,110.20 is: 154,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,564.60 : 453,846.90 = 103,110.20 : x
  2. Step 2: Convert to fraction form
    302,564.60/453,846.90 = 103,110.20/x
  3. Step 3: Cross multiply
    302,564.60x = 453,846.90 × 103,110.20
  4. Step 4: Simplify right side
    302,564.60x = 46,796,244,628.38
  5. Step 5: Solve for x
    x = 46,796,244,628.38/302,564.60
  6. Step 6: Final answer
    x = 154,665.30

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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.