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Finding the Fourth Proportional to 224,575.10, 336,683.79 and 129,697.34

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Solution

The fourth proportional to 224,575.10, 336,683.79 and 129,697.34 is: 194,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,575.10 : 336,683.79 = 129,697.34 : x
  2. Step 2: Convert to fraction form
    224,575.10/336,683.79 = 129,697.34/x
  3. Step 3: Cross multiply
    224,575.10x = 336,683.79 × 129,697.34
  4. Step 4: Simplify right side
    224,575.10x = 43,666,991,984.12
  5. Step 5: Solve for x
    x = 43,666,991,984.12/224,575.10
  6. Step 6: Final answer
    x = 194,442.71

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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.