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Finding the Fourth Proportional to 341,732.40, 512,606.72 and 105,077.24

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Solution

The fourth proportional to 341,732.40, 512,606.72 and 105,077.24 is: 157,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,732.40 : 512,606.72 = 105,077.24 : x
  2. Step 2: Convert to fraction form
    341,732.40/512,606.72 = 105,077.24/x
  3. Step 3: Cross multiply
    341,732.40x = 512,606.72 × 105,077.24
  4. Step 4: Simplify right side
    341,732.40x = 53,863,299,343.05
  5. Step 5: Solve for x
    x = 53,863,299,343.05/341,732.40
  6. Step 6: Final answer
    x = 157,618.36

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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.