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Finding the Fourth Proportional to 346,552.20, 520,022.70 and 146,838.60

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Solution

The fourth proportional to 346,552.20, 520,022.70 and 146,838.60 is: 220,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,552.20 : 520,022.70 = 146,838.60 : x
  2. Step 2: Convert to fraction form
    346,552.20/520,022.70 = 146,838.60/x
  3. Step 3: Cross multiply
    346,552.20x = 520,022.70 × 146,838.60
  4. Step 4: Simplify right side
    346,552.20x = 76,359,405,236.22
  5. Step 5: Solve for x
    x = 76,359,405,236.22/346,552.20
  6. Step 6: Final answer
    x = 220,340.27

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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.