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Finding the Fourth Proportional to 329,223.99, 493,454.78 and 151,357.71

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Solution

The fourth proportional to 329,223.99, 493,454.78 and 151,357.71 is: 226,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,223.99 : 493,454.78 = 151,357.71 : x
  2. Step 2: Convert to fraction form
    329,223.99/493,454.78 = 151,357.71/x
  3. Step 3: Cross multiply
    329,223.99x = 493,454.78 × 151,357.71
  4. Step 4: Simplify right side
    329,223.99x = 74,688,185,489.35
  5. Step 5: Solve for x
    x = 74,688,185,489.35/329,223.99
  6. Step 6: Final answer
    x = 226,861.31

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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.