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Finding the Fourth Proportional to 617,950.76, 927,101.10 and 365,455.40

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Solution

The fourth proportional to 617,950.76, 927,101.10 and 365,455.40 is: 548,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,950.76 : 927,101.10 = 365,455.40 : x
  2. Step 2: Convert to fraction form
    617,950.76/927,101.10 = 365,455.40/x
  3. Step 3: Cross multiply
    617,950.76x = 927,101.10 × 365,455.40
  4. Step 4: Simplify right side
    617,950.76x = 338,814,103,340.94
  5. Step 5: Solve for x
    x = 338,814,103,340.94/617,950.76
  6. Step 6: Final answer
    x = 548,286.57

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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.