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Finding the Fourth Proportional to 293,692.40, 411,998.80 and 293,692.40

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Solution

The fourth proportional to 293,692.40, 411,998.80 and 293,692.40 is: 411,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,692.40 : 411,998.80 = 293,692.40 : x
  2. Step 2: Convert to fraction form
    293,692.40/411,998.80 = 293,692.40/x
  3. Step 3: Cross multiply
    293,692.40x = 411,998.80 × 293,692.40
  4. Step 4: Simplify right side
    293,692.40x = 121,000,916,369.12
  5. Step 5: Solve for x
    x = 121,000,916,369.12/293,692.40
  6. Step 6: Final answer
    x = 411,998.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.