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Finding the Fourth Proportional to 517,246.30, 713,692.94 and 302,344.79

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Solution

The fourth proportional to 517,246.30, 713,692.94 and 302,344.79 is: 417,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,246.30 : 713,692.94 = 302,344.79 : x
  2. Step 2: Convert to fraction form
    517,246.30/713,692.94 = 302,344.79/x
  3. Step 3: Cross multiply
    517,246.30x = 713,692.94 × 302,344.79
  4. Step 4: Simplify right side
    517,246.30x = 215,781,344,608.88
  5. Step 5: Solve for x
    x = 215,781,344,608.88/517,246.30
  6. Step 6: Final answer
    x = 417,173.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.