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Finding the Fourth Proportional to 382,543.20, 573,880.32 and 116,330.16

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Solution

The fourth proportional to 382,543.20, 573,880.32 and 116,330.16 is: 174,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,543.20 : 573,880.32 = 116,330.16 : x
  2. Step 2: Convert to fraction form
    382,543.20/573,880.32 = 116,330.16/x
  3. Step 3: Cross multiply
    382,543.20x = 573,880.32 × 116,330.16
  4. Step 4: Simplify right side
    382,543.20x = 66,759,589,446.45
  5. Step 5: Solve for x
    x = 66,759,589,446.45/382,543.20
  6. Step 6: Final answer
    x = 174,515.16

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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.