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Finding the Fourth Proportional to 313,364.16, 432,510.72 and 192,568.80

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Solution

The fourth proportional to 313,364.16, 432,510.72 and 192,568.80 is: 265,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,364.16 : 432,510.72 = 192,568.80 : x
  2. Step 2: Convert to fraction form
    313,364.16/432,510.72 = 192,568.80/x
  3. Step 3: Cross multiply
    313,364.16x = 432,510.72 × 192,568.80
  4. Step 4: Simplify right side
    313,364.16x = 83,288,070,337.54
  5. Step 5: Solve for x
    x = 83,288,070,337.54/313,364.16
  6. Step 6: Final answer
    x = 265,786.84

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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.