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Finding the Fourth Proportional to 453,624.76, 625,741.41 and 283,563.64

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Solution

The fourth proportional to 453,624.76, 625,741.41 and 283,563.64 is: 391,154.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,624.76 : 625,741.41 = 283,563.64 : x
  2. Step 2: Convert to fraction form
    453,624.76/625,741.41 = 283,563.64/x
  3. Step 3: Cross multiply
    453,624.76x = 625,741.41 × 283,563.64
  4. Step 4: Simplify right side
    453,624.76x = 177,437,511,918.33
  5. Step 5: Solve for x
    x = 177,437,511,918.33/453,624.76
  6. Step 6: Final answer
    x = 391,154.82

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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.