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Finding the Fourth Proportional to 302,817.80, 454,226.70 and 184,428.20

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Solution

The fourth proportional to 302,817.80, 454,226.70 and 184,428.20 is: 276,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,817.80 : 454,226.70 = 184,428.20 : x
  2. Step 2: Convert to fraction form
    302,817.80/454,226.70 = 184,428.20/x
  3. Step 3: Cross multiply
    302,817.80x = 454,226.70 × 184,428.20
  4. Step 4: Simplify right side
    302,817.80x = 83,772,212,672.94
  5. Step 5: Solve for x
    x = 83,772,212,672.94/302,817.80
  6. Step 6: Final answer
    x = 276,642.30

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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.