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Finding the Fourth Proportional to 453,463.71, 676,194.96 and 449,416.54

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Solution

The fourth proportional to 453,463.71, 676,194.96 and 449,416.54 is: 670,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,463.71 : 676,194.96 = 449,416.54 : x
  2. Step 2: Convert to fraction form
    453,463.71/676,194.96 = 449,416.54/x
  3. Step 3: Cross multiply
    453,463.71x = 676,194.96 × 449,416.54
  4. Step 4: Simplify right side
    453,463.71x = 303,893,199,288.64
  5. Step 5: Solve for x
    x = 303,893,199,288.64/453,463.71
  6. Step 6: Final answer
    x = 670,159.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.