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Finding the Fourth Proportional to 382,457.40, 573,491.70 and 224,734.20

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Solution

The fourth proportional to 382,457.40, 573,491.70 and 224,734.20 is: 336,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,457.40 : 573,491.70 = 224,734.20 : x
  2. Step 2: Convert to fraction form
    382,457.40/573,491.70 = 224,734.20/x
  3. Step 3: Cross multiply
    382,457.40x = 573,491.70 × 224,734.20
  4. Step 4: Simplify right side
    382,457.40x = 128,883,198,406.14
  5. Step 5: Solve for x
    x = 128,883,198,406.14/382,457.40
  6. Step 6: Final answer
    x = 336,987.07

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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.