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Finding the Fourth Proportional to 313,373.98, 432,482.85 and 177,431.88

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Solution

The fourth proportional to 313,373.98, 432,482.85 and 177,431.88 is: 244,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,373.98 : 432,482.85 = 177,431.88 : x
  2. Step 2: Convert to fraction form
    313,373.98/432,482.85 = 177,431.88/x
  3. Step 3: Cross multiply
    313,373.98x = 432,482.85 × 177,431.88
  4. Step 4: Simplify right side
    313,373.98x = 76,736,245,143.26
  5. Step 5: Solve for x
    x = 76,736,245,143.26/313,373.98
  6. Step 6: Final answer
    x = 244,871.14

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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.