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Finding the Fourth Proportional to 617,945.76, 927,093.60 and 365,450.40

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Solution

The fourth proportional to 617,945.76, 927,093.60 and 365,450.40 is: 548,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,945.76 : 927,093.60 = 365,450.40 : x
  2. Step 2: Convert to fraction form
    617,945.76/927,093.60 = 365,450.40/x
  3. Step 3: Cross multiply
    617,945.76x = 927,093.60 × 365,450.40
  4. Step 4: Simplify right side
    617,945.76x = 338,806,726,957.44
  5. Step 5: Solve for x
    x = 338,806,726,957.44/617,945.76
  6. Step 6: Final answer
    x = 548,279.07

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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.