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Finding the Fourth Proportional to 347,007.90, 520,384.36 and 119,238.92

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Solution

The fourth proportional to 347,007.90, 520,384.36 and 119,238.92 is: 178,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,007.90 : 520,384.36 = 119,238.92 : x
  2. Step 2: Convert to fraction form
    347,007.90/520,384.36 = 119,238.92/x
  3. Step 3: Cross multiply
    347,007.90x = 520,384.36 × 119,238.92
  4. Step 4: Simplify right side
    347,007.90x = 62,050,070,074.15
  5. Step 5: Solve for x
    x = 62,050,070,074.15/347,007.90
  6. Step 6: Final answer
    x = 178,814.57

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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.