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Finding the Fourth Proportional to 436,903.86, 655,512.99 and 152,636.24

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Solution

The fourth proportional to 436,903.86, 655,512.99 and 152,636.24 is: 229,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,903.86 : 655,512.99 = 152,636.24 : x
  2. Step 2: Convert to fraction form
    436,903.86/655,512.99 = 152,636.24/x
  3. Step 3: Cross multiply
    436,903.86x = 655,512.99 × 152,636.24
  4. Step 4: Simplify right side
    436,903.86x = 100,055,034,787.19
  5. Step 5: Solve for x
    x = 100,055,034,787.19/436,903.86
  6. Step 6: Final answer
    x = 229,009.27

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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.