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Finding the Fourth Proportional to 416,156.92, 574,142.91 and 273,111.34

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Solution

The fourth proportional to 416,156.92, 574,142.91 and 273,111.34 is: 376,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,156.92 : 574,142.91 = 273,111.34 : x
  2. Step 2: Convert to fraction form
    416,156.92/574,142.91 = 273,111.34/x
  3. Step 3: Cross multiply
    416,156.92x = 574,142.91 × 273,111.34
  4. Step 4: Simplify right side
    416,156.92x = 156,804,939,501.60
  5. Step 5: Solve for x
    x = 156,804,939,501.60/416,156.92
  6. Step 6: Final answer
    x = 376,792.82

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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.