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Finding the Fourth Proportional to 540,237.20, 809,286.60 and 473,752.40

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Solution

The fourth proportional to 540,237.20, 809,286.60 and 473,752.40 is: 709,690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,237.20 : 809,286.60 = 473,752.40 : x
  2. Step 2: Convert to fraction form
    540,237.20/809,286.60 = 473,752.40/x
  3. Step 3: Cross multiply
    540,237.20x = 809,286.60 × 473,752.40
  4. Step 4: Simplify right side
    540,237.20x = 383,401,469,037.84
  5. Step 5: Solve for x
    x = 383,401,469,037.84/540,237.20
  6. Step 6: Final answer
    x = 709,690.98

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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.