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Finding the Fourth Proportional to 338,573.70, 467,228.73 and 185,609.11

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Solution

The fourth proportional to 338,573.70, 467,228.73 and 185,609.11 is: 256,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,573.70 : 467,228.73 = 185,609.11 : x
  2. Step 2: Convert to fraction form
    338,573.70/467,228.73 = 185,609.11/x
  3. Step 3: Cross multiply
    338,573.70x = 467,228.73 × 185,609.11
  4. Step 4: Simplify right side
    338,573.70x = 86,721,908,981.76
  5. Step 5: Solve for x
    x = 86,721,908,981.76/338,573.70
  6. Step 6: Final answer
    x = 256,138.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.