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Finding the Fourth Proportional to 422,957.44, 583,792.32 and 253,324.16

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Solution

The fourth proportional to 422,957.44, 583,792.32 and 253,324.16 is: 349,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,957.44 : 583,792.32 = 253,324.16 : x
  2. Step 2: Convert to fraction form
    422,957.44/583,792.32 = 253,324.16/x
  3. Step 3: Cross multiply
    422,957.44x = 583,792.32 × 253,324.16
  4. Step 4: Simplify right side
    422,957.44x = 147,888,699,078.45
  5. Step 5: Solve for x
    x = 147,888,699,078.45/422,957.44
  6. Step 6: Final answer
    x = 349,653.85

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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.