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Finding the Fourth Proportional to 307,173.04, 460,728.40 and 82,504.28

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Solution

The fourth proportional to 307,173.04, 460,728.40 and 82,504.28 is: 123,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,173.04 : 460,728.40 = 82,504.28 : x
  2. Step 2: Convert to fraction form
    307,173.04/460,728.40 = 82,504.28/x
  3. Step 3: Cross multiply
    307,173.04x = 460,728.40 × 82,504.28
  4. Step 4: Simplify right side
    307,173.04x = 38,012,064,917.55
  5. Step 5: Solve for x
    x = 38,012,064,917.55/307,173.04
  6. Step 6: Final answer
    x = 123,748.05

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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.