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Finding the Fourth Proportional to 637,289.34, 956,089.53 and 194,057.34

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Solution

The fourth proportional to 637,289.34, 956,089.53 and 194,057.34 is: 291,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,289.34 : 956,089.53 = 194,057.34 : x
  2. Step 2: Convert to fraction form
    637,289.34/956,089.53 = 194,057.34/x
  3. Step 3: Cross multiply
    637,289.34x = 956,089.53 × 194,057.34
  4. Step 4: Simplify right side
    637,289.34x = 185,536,190,993.65
  5. Step 5: Solve for x
    x = 185,536,190,993.65/637,289.34
  6. Step 6: Final answer
    x = 291,133.37

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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.