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Finding the Fourth Proportional to 541,974.64, 746,720.64 and 357,886.32

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Solution

The fourth proportional to 541,974.64, 746,720.64 and 357,886.32 is: 493,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,974.64 : 746,720.64 = 357,886.32 : x
  2. Step 2: Convert to fraction form
    541,974.64/746,720.64 = 357,886.32/x
  3. Step 3: Cross multiply
    541,974.64x = 746,720.64 × 357,886.32
  4. Step 4: Simplify right side
    541,974.64x = 267,241,101,917.65
  5. Step 5: Solve for x
    x = 267,241,101,917.65/541,974.64
  6. Step 6: Final answer
    x = 493,087.84

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Double scale
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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.