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Finding the Fourth Proportional to 624,184.40, 934,692.60 and 343,384.40

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Solution

The fourth proportional to 624,184.40, 934,692.60 and 343,384.40 is: 514,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,184.40 : 934,692.60 = 343,384.40 : x
  2. Step 2: Convert to fraction form
    624,184.40/934,692.60 = 343,384.40/x
  3. Step 3: Cross multiply
    624,184.40x = 934,692.60 × 343,384.40
  4. Step 4: Simplify right side
    624,184.40x = 320,958,857,635.44
  5. Step 5: Solve for x
    x = 320,958,857,635.44/624,184.40
  6. Step 6: Final answer
    x = 514,205.19

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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.