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Finding the Fourth Proportional to 453,731.64, 680,597.46 and 121,299

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Solution

The fourth proportional to 453,731.64, 680,597.46 and 121,299 is: 181,948.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,731.64 : 680,597.46 = 121,299 : x
  2. Step 2: Convert to fraction form
    453,731.64/680,597.46 = 121,299/x
  3. Step 3: Cross multiply
    453,731.64x = 680,597.46 × 121,299
  4. Step 4: Simplify right side
    453,731.64x = 82,555,791,300.54
  5. Step 5: Solve for x
    x = 82,555,791,300.54/453,731.64
  6. Step 6: Final answer
    x = 181,948.50

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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.