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Finding the Fourth Proportional to 351,149.42, 484,582.71 and 190,000.94

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Solution

The fourth proportional to 351,149.42, 484,582.71 and 190,000.94 is: 262,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,149.42 : 484,582.71 = 190,000.94 : x
  2. Step 2: Convert to fraction form
    351,149.42/484,582.71 = 190,000.94/x
  3. Step 3: Cross multiply
    351,149.42x = 484,582.71 × 190,000.94
  4. Step 4: Simplify right side
    351,149.42x = 92,071,170,407.75
  5. Step 5: Solve for x
    x = 92,071,170,407.75/351,149.42
  6. Step 6: Final answer
    x = 262,199.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.