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Finding the Fourth Proportional to 382,005.20, 573,007.80 and 376,100.30

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Solution

The fourth proportional to 382,005.20, 573,007.80 and 376,100.30 is: 564,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,005.20 : 573,007.80 = 376,100.30 : x
  2. Step 2: Convert to fraction form
    382,005.20/573,007.80 = 376,100.30/x
  3. Step 3: Cross multiply
    382,005.20x = 573,007.80 × 376,100.30
  4. Step 4: Simplify right side
    382,005.20x = 215,508,405,482.34
  5. Step 5: Solve for x
    x = 215,508,405,482.34/382,005.20
  6. Step 6: Final answer
    x = 564,150.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.