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Finding the Fourth Proportional to 291,324.30, 437,000.85 and 151,356.30

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Solution

The fourth proportional to 291,324.30, 437,000.85 and 151,356.30 is: 227,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,324.30 : 437,000.85 = 151,356.30 : x
  2. Step 2: Convert to fraction form
    291,324.30/437,000.85 = 151,356.30/x
  3. Step 3: Cross multiply
    291,324.30x = 437,000.85 × 151,356.30
  4. Step 4: Simplify right side
    291,324.30x = 66,142,831,752.86
  5. Step 5: Solve for x
    x = 66,142,831,752.86/291,324.30
  6. Step 6: Final answer
    x = 227,041.93

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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.