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Finding the Fourth Proportional to 382,005.20, 573,007.80 and 101,522.45

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Solution

The fourth proportional to 382,005.20, 573,007.80 and 101,522.45 is: 152,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,005.20 : 573,007.80 = 101,522.45 : x
  2. Step 2: Convert to fraction form
    382,005.20/573,007.80 = 101,522.45/x
  3. Step 3: Cross multiply
    382,005.20x = 573,007.80 × 101,522.45
  4. Step 4: Simplify right side
    382,005.20x = 58,173,155,725.11
  5. Step 5: Solve for x
    x = 58,173,155,725.11/382,005.20
  6. Step 6: Final answer
    x = 152,283.68

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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.