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Finding the Fourth Proportional to 617,454.80, 927,132.60 and 337,518.80

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Solution

The fourth proportional to 617,454.80, 927,132.60 and 337,518.80 is: 506,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,454.80 : 927,132.60 = 337,518.80 : x
  2. Step 2: Convert to fraction form
    617,454.80/927,132.60 = 337,518.80/x
  3. Step 3: Cross multiply
    617,454.80x = 927,132.60 × 337,518.80
  4. Step 4: Simplify right side
    617,454.80x = 312,924,682,592.88
  5. Step 5: Solve for x
    x = 312,924,682,592.88/617,454.80
  6. Step 6: Final answer
    x = 506,797.72

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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.