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Finding the Fourth Proportional to 364,692.80, 546,601.80 and 187,108.40

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Solution

The fourth proportional to 364,692.80, 546,601.80 and 187,108.40 is: 280,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,692.80 : 546,601.80 = 187,108.40 : x
  2. Step 2: Convert to fraction form
    364,692.80/546,601.80 = 187,108.40/x
  3. Step 3: Cross multiply
    364,692.80x = 546,601.80 × 187,108.40
  4. Step 4: Simplify right side
    364,692.80x = 102,273,788,235.12
  5. Step 5: Solve for x
    x = 102,273,788,235.12/364,692.80
  6. Step 6: Final answer
    x = 280,438.19

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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.