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Finding the Fourth Proportional to 313,373.46, 432,465.29 and 177,404.94

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Solution

The fourth proportional to 313,373.46, 432,465.29 and 177,404.94 is: 244,824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,373.46 : 432,465.29 = 177,404.94 : x
  2. Step 2: Convert to fraction form
    313,373.46/432,465.29 = 177,404.94/x
  3. Step 3: Cross multiply
    313,373.46x = 432,465.29 × 177,404.94
  4. Step 4: Simplify right side
    313,373.46x = 76,721,478,824.53
  5. Step 5: Solve for x
    x = 76,721,478,824.53/313,373.46
  6. Step 6: Final answer
    x = 244,824.43

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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.