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Finding the Fourth Proportional to 349,628.56, 482,482.56 and 196,655.20

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Solution

The fourth proportional to 349,628.56, 482,482.56 and 196,655.20 is: 271,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,628.56 : 482,482.56 = 196,655.20 : x
  2. Step 2: Convert to fraction form
    349,628.56/482,482.56 = 196,655.20/x
  3. Step 3: Cross multiply
    349,628.56x = 482,482.56 × 196,655.20
  4. Step 4: Simplify right side
    349,628.56x = 94,882,704,333.31
  5. Step 5: Solve for x
    x = 94,882,704,333.31/349,628.56
  6. Step 6: Final answer
    x = 271,381.45

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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.