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Finding the Fourth Proportional to 341,996.96, 513,050.60 and 105,339.56

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Solution

The fourth proportional to 341,996.96, 513,050.60 and 105,339.56 is: 158,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,996.96 : 513,050.60 = 105,339.56 : x
  2. Step 2: Convert to fraction form
    341,996.96/513,050.60 = 105,339.56/x
  3. Step 3: Cross multiply
    341,996.96x = 513,050.60 × 105,339.56
  4. Step 4: Simplify right side
    341,996.96x = 54,044,524,461.74
  5. Step 5: Solve for x
    x = 54,044,524,461.74/341,996.96
  6. Step 6: Final answer
    x = 158,026.33

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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.