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Finding the Fourth Proportional to 382,210.20, 573,315.30 and 97,900.20

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Solution

The fourth proportional to 382,210.20, 573,315.30 and 97,900.20 is: 146,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,210.20 : 573,315.30 = 97,900.20 : x
  2. Step 2: Convert to fraction form
    382,210.20/573,315.30 = 97,900.20/x
  3. Step 3: Cross multiply
    382,210.20x = 573,315.30 × 97,900.20
  4. Step 4: Simplify right side
    382,210.20x = 56,127,682,533.06
  5. Step 5: Solve for x
    x = 56,127,682,533.06/382,210.20
  6. Step 6: Final answer
    x = 146,850.30

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Similar ratio
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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.