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Finding the Fourth Proportional to 313,809.06, 433,042.14 and 177,835.04

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Solution

The fourth proportional to 313,809.06, 433,042.14 and 177,835.04 is: 245,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,809.06 : 433,042.14 = 177,835.04 : x
  2. Step 2: Convert to fraction form
    313,809.06/433,042.14 = 177,835.04/x
  3. Step 3: Cross multiply
    313,809.06x = 433,042.14 × 177,835.04
  4. Step 4: Simplify right side
    313,809.06x = 77,010,066,288.59
  5. Step 5: Solve for x
    x = 77,010,066,288.59/313,809.06
  6. Step 6: Final answer
    x = 245,404.22

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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.