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Finding the Fourth Proportional to 508,336.58, 762,505.85 and 153,350.94

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Solution

The fourth proportional to 508,336.58, 762,505.85 and 153,350.94 is: 230,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,336.58 : 762,505.85 = 153,350.94 : x
  2. Step 2: Convert to fraction form
    508,336.58/762,505.85 = 153,350.94/x
  3. Step 3: Cross multiply
    508,336.58x = 762,505.85 × 153,350.94
  4. Step 4: Simplify right side
    508,336.58x = 116,930,992,095.77
  5. Step 5: Solve for x
    x = 116,930,992,095.77/508,336.58
  6. Step 6: Final answer
    x = 230,026.71

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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.