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Finding the Fourth Proportional to 453,453.20, 680,158.20 and 153,904.40

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Solution

The fourth proportional to 453,453.20, 680,158.20 and 153,904.40 is: 230,849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,453.20 : 680,158.20 = 153,904.40 : x
  2. Step 2: Convert to fraction form
    453,453.20/680,158.20 = 153,904.40/x
  3. Step 3: Cross multiply
    453,453.20x = 680,158.20 × 153,904.40
  4. Step 4: Simplify right side
    453,453.20x = 104,679,339,676.08
  5. Step 5: Solve for x
    x = 104,679,339,676.08/453,453.20
  6. Step 6: Final answer
    x = 230,849.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.