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Finding the Fourth Proportional to 436,970.37, 655,532.43 and 180,802.20

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Solution

The fourth proportional to 436,970.37, 655,532.43 and 180,802.20 is: 271,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,970.37 : 655,532.43 = 180,802.20 : x
  2. Step 2: Convert to fraction form
    436,970.37/655,532.43 = 180,802.20/x
  3. Step 3: Cross multiply
    436,970.37x = 655,532.43 × 180,802.20
  4. Step 4: Simplify right side
    436,970.37x = 118,521,705,515.35
  5. Step 5: Solve for x
    x = 118,521,705,515.35/436,970.37
  6. Step 6: Final answer
    x = 271,235.11

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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.