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Finding the Fourth Proportional to 459,717.34, 689,576.02 and 127,293.34

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Solution

The fourth proportional to 459,717.34, 689,576.02 and 127,293.34 is: 190,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,717.34 : 689,576.02 = 127,293.34 : x
  2. Step 2: Convert to fraction form
    459,717.34/689,576.02 = 127,293.34/x
  3. Step 3: Cross multiply
    459,717.34x = 689,576.02 × 127,293.34
  4. Step 4: Simplify right side
    459,717.34x = 87,778,434,769.71
  5. Step 5: Solve for x
    x = 87,778,434,769.71/459,717.34
  6. Step 6: Final answer
    x = 190,940.01

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Similar ratio
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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.