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Finding the Fourth Proportional to 416,360.92, 574,855.56 and 280,596.76

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Solution

The fourth proportional to 416,360.92, 574,855.56 and 280,596.76 is: 387,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,360.92 : 574,855.56 = 280,596.76 : x
  2. Step 2: Convert to fraction form
    416,360.92/574,855.56 = 280,596.76/x
  3. Step 3: Cross multiply
    416,360.92x = 574,855.56 × 280,596.76
  4. Step 4: Simplify right side
    416,360.92x = 161,302,607,603.99
  5. Step 5: Solve for x
    x = 161,302,607,603.99/416,360.92
  6. Step 6: Final answer
    x = 387,410.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.