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Finding the Fourth Proportional to 346,861.67, 520,342.11 and 106,995.83

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Solution

The fourth proportional to 346,861.67, 520,342.11 and 106,995.83 is: 160,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,861.67 : 520,342.11 = 106,995.83 : x
  2. Step 2: Convert to fraction form
    346,861.67/520,342.11 = 106,995.83/x
  3. Step 3: Cross multiply
    346,861.67x = 520,342.11 × 106,995.83
  4. Step 4: Simplify right side
    346,861.67x = 55,674,435,943.40
  5. Step 5: Solve for x
    x = 55,674,435,943.40/346,861.67
  6. Step 6: Final answer
    x = 160,509.05

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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.