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Finding the Fourth Proportional to 453,197.43, 678,340.88 and 301,043.59

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Solution

The fourth proportional to 453,197.43, 678,340.88 and 301,043.59 is: 450,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,197.43 : 678,340.88 = 301,043.59 : x
  2. Step 2: Convert to fraction form
    453,197.43/678,340.88 = 301,043.59/x
  3. Step 3: Cross multiply
    453,197.43x = 678,340.88 × 301,043.59
  4. Step 4: Simplify right side
    453,197.43x = 204,210,171,686.80
  5. Step 5: Solve for x
    x = 204,210,171,686.80/453,197.43
  6. Step 6: Final answer
    x = 450,598.70

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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.