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Finding the Fourth Proportional to 369,000.20, 553,500.30 and 335,757.80

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Solution

The fourth proportional to 369,000.20, 553,500.30 and 335,757.80 is: 503,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,000.20 : 553,500.30 = 335,757.80 : x
  2. Step 2: Convert to fraction form
    369,000.20/553,500.30 = 335,757.80/x
  3. Step 3: Cross multiply
    369,000.20x = 553,500.30 × 335,757.80
  4. Step 4: Simplify right side
    369,000.20x = 185,842,043,027.34
  5. Step 5: Solve for x
    x = 185,842,043,027.34/369,000.20
  6. Step 6: Final answer
    x = 503,636.70

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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.