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Finding the Fourth Proportional to 349,463.43, 481,154.72 and 317,536.88

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Solution

The fourth proportional to 349,463.43, 481,154.72 and 317,536.88 is: 437,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,463.43 : 481,154.72 = 317,536.88 : x
  2. Step 2: Convert to fraction form
    349,463.43/481,154.72 = 317,536.88/x
  3. Step 3: Cross multiply
    349,463.43x = 481,154.72 × 317,536.88
  4. Step 4: Simplify right side
    349,463.43x = 152,784,364,592.62
  5. Step 5: Solve for x
    x = 152,784,364,592.62/349,463.43
  6. Step 6: Final answer
    x = 437,197.00

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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.