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Finding the Fourth Proportional to 363,019.80, 544,529.70 and 346,690.20

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Solution

The fourth proportional to 363,019.80, 544,529.70 and 346,690.20 is: 520,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,019.80 : 544,529.70 = 346,690.20 : x
  2. Step 2: Convert to fraction form
    363,019.80/544,529.70 = 346,690.20/x
  3. Step 3: Cross multiply
    363,019.80x = 544,529.70 × 346,690.20
  4. Step 4: Simplify right side
    363,019.80x = 188,783,110,598.94
  5. Step 5: Solve for x
    x = 188,783,110,598.94/363,019.80
  6. Step 6: Final answer
    x = 520,035.30

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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.