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Finding the Fourth Proportional to 453,953.19, 680,043.96 and 353,643.71

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Solution

The fourth proportional to 453,953.19, 680,043.96 and 353,643.71 is: 529,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,953.19 : 680,043.96 = 353,643.71 : x
  2. Step 2: Convert to fraction form
    453,953.19/680,043.96 = 353,643.71/x
  3. Step 3: Cross multiply
    453,953.19x = 680,043.96 × 353,643.71
  4. Step 4: Simplify right side
    453,953.19x = 240,493,268,977.49
  5. Step 5: Solve for x
    x = 240,493,268,977.49/453,953.19
  6. Step 6: Final answer
    x = 529,775.48

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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.