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Finding the Fourth Proportional to 284,612.55, 427,410.90 and 151,752.30

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Solution

The fourth proportional to 284,612.55, 427,410.90 and 151,752.30 is: 227,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,612.55 : 427,410.90 = 151,752.30 : x
  2. Step 2: Convert to fraction form
    284,612.55/427,410.90 = 151,752.30/x
  3. Step 3: Cross multiply
    284,612.55x = 427,410.90 × 151,752.30
  4. Step 4: Simplify right side
    284,612.55x = 64,860,587,120.07
  5. Step 5: Solve for x
    x = 64,860,587,120.07/284,612.55
  6. Step 6: Final answer
    x = 227,890.82

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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.